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A question on thermostats
My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive
says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! |
A question on thermostats
JimH wrote:
My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! JimH, I have always followed the mfg'ers recommendations, it just makes sense that they know the best parts for their engine. Volvo recommends a thermostat in the 160-170 degree range. It might not be the case, but when a mechanic, especially one who forgot to change my impeller in the spring, recommends something different than the mfg'er I assume it is because that is what he has in stock. I know I would be looking for a new mechanic. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
JimH wrote:
My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! JimH, I have always followed the mfg'ers recommendations, it just makes sense that they know the best parts for their engine. Volvo recommends a thermostat in the 160-170 degree range. It might not be the case, but when a mechanic, especially one who forgot to change my impeller in the spring, recommends something different than the mfg'er I assume it is because that is what he has in stock. I know I would be looking for a new mechanic. -- Reggie That's my story and I am sticking to it! I don't know for certain if the engine calls for 160F or 140F, even though the Seloc manual says 160F. Thus my questions which you did not answer. Where did you get the idea that the mechanic forgot to change the impeller? I am not ready to look for a mechanic. For all I know he may be right. Can anyone else address my questions? |
A question on thermostats
Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Sorry, but I really don't know what sort of mechanical or boating background you have and I do not trust your opinions. Perhaps if you would be more open on your boating experience and boats you own/owned folks may be more trusting of your advice. Until then I assume you have never stepped foot on a boat. So can anyone address my original questions? |
A question on thermostats
JimH wrote:
Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! JimH, I have always followed the mfg'ers recommendations, it just makes sense that they know the best parts for their engine. Volvo recommends a thermostat in the 160-170 degree range. It might not be the case, but when a mechanic, especially one who forgot to change my impeller in the spring, recommends something different than the mfg'er I assume it is because that is what he has in stock. I know I would be looking for a new mechanic. -- Reggie That's my story and I am sticking to it! I don't know for certain if the engine calls for 160F or 140F, even though the Seloc manual says 160F. Thus my questions which you did not answer. Where did you get the idea that the mechanic forgot to change the impeller? I am not ready to look for a mechanic. For all I know he may be right. Can anyone else address my questions? Your Selco manual; is CORRECT. The Therm. should be 160 degrees according to Volvo specs. Which I thought I did address, sorry. I thought I read that you told the mechanic to change the impeller and they didn't. Your mechanic is incorrect, and he knows he should absolutely know Volvo recommends a 160 degree therm. Anyone who has been in the business anytime at all would know that Volvo has always run their engines hotter than Merc. If he doesn't know this, it is even more reason to run to another mechanic. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
JimH wrote:
Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Sorry, but I really don't know what sort of mechanical or boating background you have and I do not trust your opinions. Perhaps if you would be more open on your boating experience and boats you own/owned folks may be more trusting of your advice. Until then I assume you have never stepped foot on a boat. So can anyone address my original questions? NP -- Reggie That's my story and I am sticking to it! |
A question on thermostats
JimH wrote:
Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Sorry, but I really don't know what sort of mechanical or boating background you have and I do not trust your opinions. Perhaps if you would be more open on your boating experience and boats you own/owned folks may be more trusting of your advice. Until then I assume you have never stepped foot on a boat. So can anyone address my original questions? JimH, By the way, this is excellent advice for anyone using UseNet. Do not believe any advice given in UseNet without verifying it. You do know it is very easy to check Volvo or for that matter any mfg'ers product specs online. If I can help you find the Volvo Penta site for your 4.3L let me know. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
In general, a lower temp thermostat is used in raw water cooled
applications. Slows down the detrimental effects of sal****er. Higher temps are used on fresh water cooled engines. As for Volvo? Gordon " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message . .. My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! |
A question on thermostats
On Sat, 08 Jul 2006 10:24:12 -0400, Harry Krause
wrote: JimH wrote: Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Jim: The easy answer is to head over to a long-time dealer of these engines, head to the service department, and ask the service writer to see the *VOLVO* service manuals for your engine/outdrive combo. Another possibility is to visit the Volvo Penta site: http://www.volvo.com/volvopenta/na/en-us/marineengines and snoop around. Or call Volvo Penta Monday morning with your specs. I'll bet someone there can give you the skinny. Sorry, but I really don't know what sort of mechanical or boating background you have and I do not trust your opinions. Perhaps if you would be more open on your boating experience and boats you own/owned folks may be more trusting of your advice. Until then I assume you have never stepped foot on a boat. So can anyone address my original questions? "Reggie" is an "anonymous" usenet troublemaker, not much different in that regard from Karen Smith of Oz. If he said the sun were shining at mid-day, I'd look out the window to be sure. Perhaps less name calling and more help would be appropriate. This site should help: http://tinyurl.com/ov3vx -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** |
A question on thermostats
"JimH" wrote in message oups.com... Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Sorry, but I really don't know what sort of mechanical or boating background you have and I do not trust your opinions. Perhaps if you would be more open on your boating experience and boats you own/owned folks may be more trusting of your advice. Until then I assume you have never stepped foot on a boat. So can anyone address my original questions? When you ask a question that should be done in person or by research, then get snippy questioning someone's ability to provide an acceptable answer, and say you don't trust them, you have issues. Go to another dealer and ask which is right, you will have your answer in a couple minutes. |
A question on thermostats
I checked the parts book and looked at the therm, it's mark 160
Ron Knapik " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message . .. My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! |
A question on thermostats
Every source that I have looked at says that Jim's boat takes a 160
thermostat. I don't know why his mechanic selected a 143 thermostat, but Jim shouldn't notice any performance changes with it. Find something else to worry about, Jim. Jim "MikeT" wrote in message ... "JimH" wrote in message oups.com... Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Sorry, but I really don't know what sort of mechanical or boating background you have and I do not trust your opinions. Perhaps if you would be more open on your boating experience and boats you own/owned folks may be more trusting of your advice. Until then I assume you have never stepped foot on a boat. So can anyone address my original questions? When you ask a question that should be done in person or by research, then get snippy questioning someone's ability to provide an acceptable answer, and say you don't trust them, you have issues. Go to another dealer and ask which is right, you will have your answer in a couple minutes. |
A question on thermostats
On Sat, 08 Jul 2006 09:17:45 -0400, JimH wrote:
My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? Your mechanic *may* be right. The following link has Volvo Penta thermostats ranging from 130-180. http://www.go2marine.com/category.do?no=13701&mfrno=350 However, if you go to the following site and plug in your serial number, you should be able to find Volvo's recommendation. http://www.volvo.com/volvopenta/glob...rators_manual/ |
A question on thermostats
MikeT wrote: "JimH" wrote in message oups.com... Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Sorry, but I really don't know what sort of mechanical or boating background you have and I do not trust your opinions. Perhaps if you would be more open on your boating experience and boats you own/owned folks may be more trusting of your advice. Until then I assume you have never stepped foot on a boat. So can anyone address my original questions? When you ask a question that should be done in person or by research, then get snippy questioning someone's ability to provide an acceptable answer, and say you don't trust them, you have issues. bingo! |
A question on thermostats
Harry Krause wrote:
JimH wrote: Reginald P. Smithers III wrote: JimH wrote: My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! PS - I assume you know the 140 degree therm. is the more popular therm. for merc., but even Merc. makes engines that uses a 160 degree therm. I guess he has a one thermostat fits all policy. I am amazed he would do this for a customer who had just had a major service problem due to their negligence. I would very quickly find a Mechanic/Dealer who services lots of Volvo/Penta's, or this will be an on going problem. -- Reggie That's my story and I am sticking to it! He is a certified Volvo Penta mechanic. Jim: The easy answer is to head over to a long-time dealer of these engines, head to the service department, and ask the service writer to see the *VOLVO* service manuals for your engine/outdrive combo. Another possibility is to visit the Volvo Penta site: http://www.volvo.com/volvopenta/na/en-us/marineengines and snoop around. Or call Volvo Penta Monday morning with your specs. I'll bet someone there can give you the skinny. Harry, Excellent suggestion. Now, if the reputable long-time dealer of Volvo/Penta Engines and the VOLVO service manual for the 1997 Volvo Penta 4.3L with SX outdrive says he should use 160 degree thermostat what would you recommend JimH do when he needs future work on his boat? -- Reggie That's my story and I am sticking to it! |
A question on thermostats
Jim wrote:
Every source that I have looked at says that Jim's boat takes a 160 thermostat. I don't know why his mechanic selected a 143 thermostat, but Jim shouldn't notice any performance changes with it. Find something else to worry about, Jim. Jim, I know the 1995 Volvo 4.3 L used a 160 degree Therm., along with the fact that Seloc's repair manual stated Jim's should be a 160 degree therm, the odds are Volvo specs the 160 degree therm. for the 1997, I for one, would follow the mfg'er recommendations, just because, I assume they know the complete engine system better than anyone else. I also would use their web site to find their recommended Dealer to ask any specific questions. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
" JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message . .. My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) |
A question on thermostats
JimH wrote:
" JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message . .. My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) NP. I am glad I could help. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
JimH wrote:
" JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message . .. My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) PS - I hope you did follow the most important advice provided in rec.boats and verify the info with the Volvo service manual. While I am very confident you will find the 160 temp is correct, you really don't want to base your decision based upon the popular vote in rec.boats. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
On Sat, 8 Jul 2006 21:58:21 -0400, " JimH"
jimhUNDERSCOREosudad@yahooDOTcom wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) No problem, JimH. Glad to help you out. Try to be a little courteous when talking to the mechanics. A couple sound 'thunks' on your manifolds and risers could loosen enough rust and crud to stop them up. Then where would you be? -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** |
A question on thermostats
Reginald P. Smithers III wrote: JimH wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message . .. My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) PS - I hope you did follow the most important advice provided in rec.boats and verify the info with the Volvo service manual. While I am very confident you will find the 160 temp is correct, you really don't want to base your decision based upon the popular vote in rec.boats. -- Reggie That's my story and I am sticking to it! Don't worry Reggie. I did not base my decision on your or anyone else's advice. I took another look at my Seloc manual again. 160F for my engine, although the 7.4L and 8.2L Volvo Penta engines take a 140F. (You previously stated that ALL Volvo Penta's take a 160F). I then verified this by talking to a mechanic from another marina. As I said, thanks to all those who *helped*. Sorry JohnH, you are not in that group. ;-) |
A question on thermostats
JohnH wrote: On Sat, 8 Jul 2006 21:58:21 -0400, " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) No problem, JimH. Glad to help you out. John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry John, but you did not help out (I failed to find any good and meaninful advice you offered on the thermostat) and the thanks was certainly not directed to you. Have a superfragilistic day!!!! |
A question on thermostats
JimH wrote:
Reginald P. Smithers III wrote: JimH wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message om... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) PS - I hope you did follow the most important advice provided in rec.boats and verify the info with the Volvo service manual. While I am very confident you will find the 160 temp is correct, you really don't want to base your decision based upon the popular vote in rec.boats. -- Reggie That's my story and I am sticking to it! Don't worry Reggie. I did not base my decision on your or anyone else's advice. I took another look at my Seloc manual again. 160F for my engine, although the 7.4L and 8.2L Volvo Penta engines take a 140F. (You previously stated that ALL Volvo Penta's take a 160F). I then verified this by talking to a mechanic from another marina. As I said, thanks to all those who *helped*. Sorry JohnH, you are not in that group. ;-) John was busy with his 'facilitating sideline'. |
A question on thermostats
"Don White" wrote in message ... JimH wrote: Reginald P. Smithers III wrote: JimH wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message news:d8qdnWc4O_TiLTLZnZ2dnUVZ_sOdnZ2d@comcast. com... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) PS - I hope you did follow the most important advice provided in rec.boats and verify the info with the Volvo service manual. While I am very confident you will find the 160 temp is correct, you really don't want to base your decision based upon the popular vote in rec.boats. -- Reggie That's my story and I am sticking to it! Don't worry Reggie. I did not base my decision on your or anyone else's advice. I took another look at my Seloc manual again. 160F for my engine, although the 7.4L and 8.2L Volvo Penta engines take a 140F. (You previously stated that ALL Volvo Penta's take a 160F). I then verified this by talking to a mechanic from another marina. As I said, thanks to all those who *helped*. Sorry JohnH, you are not in that group. ;-) John was busy with his 'facilitating sideline'. And taunting. ;-) |
A question on thermostats
JimH wrote:
Reginald P. Smithers III wrote: JimH wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message . .. My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) PS - I hope you did follow the most important advice provided in rec.boats and verify the info with the Volvo service manual. While I am very confident you will find the 160 temp is correct, you really don't want to base your decision based upon the popular vote in rec.boats. -- Reggie That's my story and I am sticking to it! Don't worry Reggie. I did not base my decision on your or anyone else's advice. I took another look at my Seloc manual again. 160F for my engine, although the 7.4L and 8.2L Volvo Penta engines take a 140F. (You previously stated that ALL Volvo Penta's take a 160F). This is a perfect example of why you should verify ALL info. grin. When I purchased my first Volvo (it was a 4.3, but I have owned both a 4.3 and a 5.7) I was amazed at the higher temp on the engine versus the Merc. I had previously owned. The mech. giving me the check out told me that all Volvo ran at the higher temp. Very few people would intentionally give bad advice in UseNet, but I have read as much bad advice (and I mean advice that would have caused expensive repairs) as I have read good advice. What was your mechanic's response when you told him about Volvo's specs on the thermostats? I then verified this by talking to a mechanic from another marina. As I said, thanks to all those who *helped*. Sorry JohnH, you are not in that group. ;-) -- Reggie That's my story and I am sticking to it! |
A question on thermostats
On 9 Jul 2006 05:46:35 -0700, "JimH" wrote:
JohnH wrote: On Sat, 8 Jul 2006 21:58:21 -0400, " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) No problem, JimH. Glad to help you out. John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry John, but you did not help out (I failed to find any good and meaninful advice you offered on the thermostat) and the thanks was certainly not directed to you. Have a superfragilistic day!!!! Well, I'm certainly sorry the web site with the part numbers and the advice on the manifolds and risers wasn't helpful. Who knows, maybe you'll get 15 years out of them - set a record! Your response, after I unkillfiled you so I could be helpful, was mean and spiteful. I thought, since you'd not told any lies or called anyone an asshole for more than 48 hours, that you'd turned over a new leaf. I'm glad to hear all is well with the boat, and I hope the problems with the basement work themselves out. I've thought of getting a generator, but have decided that the cost and hassle is not worth it. If I lost all the food in my freezer and refrigerator, it would be nowhere near $4000-5000 worth of food. -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** |
A question on thermostats
JohnH wrote: On 9 Jul 2006 05:46:35 -0700, "JimH" wrote: JohnH wrote: On Sat, 8 Jul 2006 21:58:21 -0400, " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) No problem, JimH. Glad to help you out. John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry John, but you did not help out (I failed to find any good and meaninful advice you offered on the thermostat) and the thanks was certainly not directed to you. Have a superfragilistic day!!!! Well, I'm certainly sorry the web site with the part numbers and the advice on the manifolds and risers wasn't helpful. Who knows, maybe you'll get 15 years out of them - set a record! Your response, after I unkillfiled you so I could be helpful, was mean and spiteful. I thought, since you'd not told any lies or called anyone an asshole for more than 48 hours, that you'd turned over a new leaf. I'm glad to hear all is well with the boat, and I hope the problems with the basement work themselves out. I've thought of getting a generator, but have decided that the cost and hassle is not worth it. If I lost all the food in my freezer and refrigerator, it would be nowhere near $4000-5000 worth of food. -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry if I hurt your feeling John. All you did was post a site that listed thermostats. Prior to that you kept telling me to replace my risers and manifolds. Can you get it in your head that I boat in freshwater and the engine has low hours? You did not help me with this thermostat question and if telling you so was mean and spiteful then you are one of the most sensitive persons I have ever met on the net. Look back at your initial post John to see who made the mean and spiteful remark. Keep up with the lies and nasty remarks about me, but do have a superfragilisticexpeodociousmostspectacular day!!!! |
A question on thermostats
On 9 Jul 2006 15:53:13 -0700, "JimH" wrote:
JohnH wrote: On 9 Jul 2006 05:46:35 -0700, "JimH" wrote: JohnH wrote: On Sat, 8 Jul 2006 21:58:21 -0400, " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) No problem, JimH. Glad to help you out. John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry John, but you did not help out (I failed to find any good and meaninful advice you offered on the thermostat) and the thanks was certainly not directed to you. Have a superfragilistic day!!!! Well, I'm certainly sorry the web site with the part numbers and the advice on the manifolds and risers wasn't helpful. Who knows, maybe you'll get 15 years out of them - set a record! Your response, after I unkillfiled you so I could be helpful, was mean and spiteful. I thought, since you'd not told any lies or called anyone an asshole for more than 48 hours, that you'd turned over a new leaf. I'm glad to hear all is well with the boat, and I hope the problems with the basement work themselves out. I've thought of getting a generator, but have decided that the cost and hassle is not worth it. If I lost all the food in my freezer and refrigerator, it would be nowhere near $4000-5000 worth of food. -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry if I hurt your feeling John. All you did was post a site that listed thermostats. Prior to that you kept telling me to replace my risers and manifolds. Can you get it in your head that I boat in freshwater and the engine has low hours? You did not help me with this thermostat question and if telling you so was mean and spiteful then you are one of the most sensitive persons I have ever met on the net. Look back at your initial post John to see who made the mean and spiteful remark. Keep up with the lies and nasty remarks about me, but do have a superfragilisticexpeodociousmostspectacular day!!!! OK! I'll do that! -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** |
A question on thermostats
JohnH wrote: On 9 Jul 2006 15:53:13 -0700, "JimH" wrote: JohnH wrote: On 9 Jul 2006 05:46:35 -0700, "JimH" wrote: JohnH wrote: On Sat, 8 Jul 2006 21:58:21 -0400, " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) No problem, JimH. Glad to help you out. John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry John, but you did not help out (I failed to find any good and meaninful advice you offered on the thermostat) and the thanks was certainly not directed to you. Have a superfragilistic day!!!! Well, I'm certainly sorry the web site with the part numbers and the advice on the manifolds and risers wasn't helpful. Who knows, maybe you'll get 15 years out of them - set a record! Your response, after I unkillfiled you so I could be helpful, was mean and spiteful. I thought, since you'd not told any lies or called anyone an asshole for more than 48 hours, that you'd turned over a new leaf. I'm glad to hear all is well with the boat, and I hope the problems with the basement work themselves out. I've thought of getting a generator, but have decided that the cost and hassle is not worth it. If I lost all the food in my freezer and refrigerator, it would be nowhere near $4000-5000 worth of food. -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry if I hurt your feeling John. All you did was post a site that listed thermostats. Prior to that you kept telling me to replace my risers and manifolds. Can you get it in your head that I boat in freshwater and the engine has low hours? You did not help me with this thermostat question and if telling you so was mean and spiteful then you are one of the most sensitive persons I have ever met on the net. Look back at your initial post John to see who made the mean and spiteful remark. Keep up with the lies and nasty remarks about me, .. OK! I'll do that! -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** No doubt about it. ;-) |
A question on thermostats
Both the 140 and the 160 should work fine. As another poster pointed
out in raw water cooling the use of a 140 helps slow the effects of salt water. I would install a 160 next time I had a reason to take it out but I would not make a special exercise out of replacing it. If you previously have had overheating issues your mechanic may have been trying to mitigate other problems by running a lower temp thermostat. The water leaving your engine and going into your manifolds and risers should be cooler with the 140. JimH wrote: JohnH wrote: On 9 Jul 2006 15:53:13 -0700, "JimH" wrote: JohnH wrote: On 9 Jul 2006 05:46:35 -0700, "JimH" wrote: JohnH wrote: On Sat, 8 Jul 2006 21:58:21 -0400, " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... My Seloc repair manual for my 1997 Volvo Penta 4.3L with and SX outdrive says the engine takes a 160F thermostat. That is what I installed in spring. The mechanic who worked on my boat after the overheating incident says it takes a 140F thermostat and that is what he installed. Does anyone know the correct thermostat temperature rating for this engine? Will running the wrong thermostat temp have a negative effect on the engine's performance? TIA! Thanks for all the replies. Looks like I will be telling the marina to install a 160F thermostat...........on them. ;-) No problem, JimH. Glad to help you out. John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry John, but you did not help out (I failed to find any good and meaninful advice you offered on the thermostat) and the thanks was certainly not directed to you. Have a superfragilistic day!!!! Well, I'm certainly sorry the web site with the part numbers and the advice on the manifolds and risers wasn't helpful. Who knows, maybe you'll get 15 years out of them - set a record! Your response, after I unkillfiled you so I could be helpful, was mean and spiteful. I thought, since you'd not told any lies or called anyone an asshole for more than 48 hours, that you'd turned over a new leaf. I'm glad to hear all is well with the boat, and I hope the problems with the basement work themselves out. I've thought of getting a generator, but have decided that the cost and hassle is not worth it. If I lost all the food in my freezer and refrigerator, it would be nowhere near $4000-5000 worth of food. -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** Sorry if I hurt your feeling John. All you did was post a site that listed thermostats. Prior to that you kept telling me to replace my risers and manifolds. Can you get it in your head that I boat in freshwater and the engine has low hours? You did not help me with this thermostat question and if telling you so was mean and spiteful then you are one of the most sensitive persons I have ever met on the net. Look back at your initial post John to see who made the mean and spiteful remark. Keep up with the lies and nasty remarks about me, .. OK! I'll do that! -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** No doubt about it. ;-) |
A question on thermostats
"jamesgangnc" wrote in message ups.com... Both the 140 and the 160 should work fine. As another poster pointed out in raw water cooling the use of a 140 helps slow the effects of salt water. I would install a 160 next time I had a reason to take it out but I would not make a special exercise out of replacing it. If you previously have had overheating issues your mechanic may have been trying to mitigate other problems by running a lower temp thermostat. The water leaving your engine and going into your manifolds and risers should be cooler with the 140. Thanks! I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Thanks again for your advice and comments. ;-) |
A question on thermostats
JimH wrote:
"jamesgangnc" wrote in message ups.com... Both the 140 and the 160 should work fine. As another poster pointed out in raw water cooling the use of a 140 helps slow the effects of salt water. I would install a 160 next time I had a reason to take it out but I would not make a special exercise out of replacing it. If you previously have had overheating issues your mechanic may have been trying to mitigate other problems by running a lower temp thermostat. The water leaving your engine and going into your manifolds and risers should be cooler with the 140. Thanks! I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Thanks again for your advice and comments. ;-) That seems like a wide range of temperatures for a fresh water cooled engine. Did you mention the wide range of temp. to your mechanic? -- Reggie That's my story and I am sticking to it! |
A question on thermostats
Reginald P. Smithers III wrote: JimH wrote: "jamesgangnc" wrote in message ups.com... Both the 140 and the 160 should work fine. As another poster pointed out in raw water cooling the use of a 140 helps slow the effects of salt water. I would install a 160 next time I had a reason to take it out but I would not make a special exercise out of replacing it. If you previously have had overheating issues your mechanic may have been trying to mitigate other problems by running a lower temp thermostat. The water leaving your engine and going into your manifolds and risers should be cooler with the 140. Thanks! I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Thanks again for your advice and comments. ;-) That seems like a wide range of temperatures for a fresh water cooled engine. Did you mention the wide range of temp. to your mechanic? -- Reggie That's my story and I am sticking to it! Give it up Reggie. Then understand this message..........as I told you before I would never consider any boating or mechanical advice you offer. You have chosen to keep quiet about your boating background, the boat you own, where you boat, amongst other things. For all I know the only boat you own is the one you take a bath with. Try opening up and folks might start listening to you. Until then, please stop cluttering up this thread. |
A question on thermostats
JimH wrote:
Reginald P. Smithers III wrote: JimH wrote: "jamesgangnc" wrote in message ups.com... Both the 140 and the 160 should work fine. As another poster pointed out in raw water cooling the use of a 140 helps slow the effects of salt water. I would install a 160 next time I had a reason to take it out but I would not make a special exercise out of replacing it. If you previously have had overheating issues your mechanic may have been trying to mitigate other problems by running a lower temp thermostat. The water leaving your engine and going into your manifolds and risers should be cooler with the 140. Thanks! I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Thanks again for your advice and comments. ;-) That seems like a wide range of temperatures for a fresh water cooled engine. Did you mention the wide range of temp. to your mechanic? -- Reggie That's my story and I am sticking to it! Give it up Reggie. Then understand this message..........as I told you before I would never consider any boating or mechanical advice you offer. You have chosen to keep quiet about your boating background, the boat you own, where you boat, amongst other things. For all I know the only boat you own is the one you take a bath with. Try opening up and folks might start listening to you. Until then, please stop cluttering up this thread. JimH, I am not offering any advice, I made the observation that that seems like a wide range of temp for a fresh water cooled engine, and thought you might want to mention it to your mechanic. My boats temp never ranged more than 10 degrees. Really I am not cluttering up this thread, I am doing my best to try to open this thread to discussion from other boaters and those with mechanical skills way beyond yours and mine. If everyone keeps the personal attacks out of threads we would have more boating discussions and less name calling. -- Reggie That's my story and I am sticking to it! |
A question on thermostats
"JimH" wrote in message oups.com... I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Is that engine raw water cooled or does it have a heat exchanger and closed loop cooling? Eisboch |
A question on thermostats
"Eisboch" wrote in message ... "JimH" wrote in message oups.com... I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Is that engine raw water cooled or does it have a heat exchanger and closed loop cooling? Eisboch Raw (fresh) water cooled. The good news is that the temp never got above 165. The bad news is that it fluctuated to an extreme. I am concerned about the way the temperature is bouncing around as I am used to seeing it rise to a certain temp and stay there. I will definitely be bringing the boat to a reputable mechanic at the end of the season to take a close look at the engine, knowing a rebuild or replacement may be the result. I don't, however, want to throw away the rest of the season by doing that now if I can limp through this problem without causing further damage to the engine or causing another overheat situation. |
A question on thermostats
" JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... "Eisboch" wrote in message ... "JimH" wrote in message oups.com... I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Is that engine raw water cooled or does it have a heat exchanger and closed loop cooling? Eisboch Raw (fresh) water cooled. The good news is that the temp never got above 165. The bad news is that it fluctuated to an extreme. I am concerned about the way the temperature is bouncing around as I am used to seeing it rise to a certain temp and stay there. I will definitely be bringing the boat to a reputable mechanic at the end of the season to take a close look at the engine, knowing a rebuild or replacement may be the result. I don't, however, want to throw away the rest of the season by doing that now if I can limp through this problem without causing further damage to the engine or causing another overheat situation. My memory is bad, but if I recall correctly the raw water cooled 350 Mercruiser clone engine that I had in an old 26' Century 10-11 years ago normally ran at about 140-145 degrees, even at full throttle. Then one day, out of the blue, it suddenly started to climb up to the 160 -165 degree range. Manifolds were shot. I realize you run in fresh water and the manifolds should last a little longer, but something sounds familiar here. Sorry to give you more to worry about, but the manifold failure can be sudden and disastrous for the engine under the right (or wrong) circumstances. Maybe someone with more accurate knowledge or memory will elaborate. Eisboch |
A question on thermostats
Eisboch wrote: " JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... "Eisboch" wrote in message ... "JimH" wrote in message oups.com... I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Is that engine raw water cooled or does it have a heat exchanger and closed loop cooling? Eisboch Raw (fresh) water cooled. The good news is that the temp never got above 165. The bad news is that it fluctuated to an extreme. I am concerned about the way the temperature is bouncing around as I am used to seeing it rise to a certain temp and stay there. I will definitely be bringing the boat to a reputable mechanic at the end of the season to take a close look at the engine, knowing a rebuild or replacement may be the result. I don't, however, want to throw away the rest of the season by doing that now if I can limp through this problem without causing further damage to the engine or causing another overheat situation. My memory is bad, but if I recall correctly the raw water cooled 350 Mercruiser clone engine that I had in an old 26' Century 10-11 years ago normally ran at about 140-145 degrees, even at full throttle. Then one day, out of the blue, it suddenly started to climb up to the 160 -165 degree range. Manifolds were shot. I realize you run in fresh water and the manifolds should last a little longer, but something sounds familiar here. Sorry to give you more to worry about, but the manifold failure can be sudden and disastrous for the engine under the right (or wrong) circumstances. Maybe someone with more accurate knowledge or memory will elaborate. Eisboch Thanks Richard! |
A question on thermostats
On Mon, 10 Jul 2006 18:11:08 -0400, "Eisboch" wrote:
" JimH" jimhUNDERSCOREosudad@yahooDOTcom wrote in message ... "Eisboch" wrote in message ... "JimH" wrote in message oups.com... I did notice the temperature ran at 135 when at idle, at 140~145 at cruise and at 160~165 at WOT, then back down immediately to a lower temperature when at cruise or idle. I plan to keep the 140 in the rest of the season. Is that engine raw water cooled or does it have a heat exchanger and closed loop cooling? Eisboch Raw (fresh) water cooled. The good news is that the temp never got above 165. The bad news is that it fluctuated to an extreme. I am concerned about the way the temperature is bouncing around as I am used to seeing it rise to a certain temp and stay there. I will definitely be bringing the boat to a reputable mechanic at the end of the season to take a close look at the engine, knowing a rebuild or replacement may be the result. I don't, however, want to throw away the rest of the season by doing that now if I can limp through this problem without causing further damage to the engine or causing another overheat situation. My memory is bad, but if I recall correctly the raw water cooled 350 Mercruiser clone engine that I had in an old 26' Century 10-11 years ago normally ran at about 140-145 degrees, even at full throttle. Then one day, out of the blue, it suddenly started to climb up to the 160 -165 degree range. Manifolds were shot. I realize you run in fresh water and the manifolds should last a little longer, but something sounds familiar here. Sorry to give you more to worry about, but the manifold failure can be sudden and disastrous for the engine under the right (or wrong) circumstances. Maybe someone with more accurate knowledge or memory will elaborate. Eisboch When they decide to go, it can be a costly mess. -- ****************************************** ***** Have a Spectacular Day! ***** ****************************************** John |
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