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#1
posted to rec.boats
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Year of engine
How do I determine the engine year?
It's a i/o with a 1977 pre alpha outdrive. Engine is a 3.0L 140HP. Thanks |
#2
posted to rec.boats
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Year of engine
Is there some reaosn to think it is not a 1977? If you can find the
merc tag with the serial number on the engine that will help you. If you think the engine has been replaced at some point and there is no tag then you may be able to find a number stamped in the block that would give you an idea. It's usually really hard to find these except with the engine out of the boat though. The 3.0 is a gm 4 banger and is relatively unchanged over the years if you are looking for parts. let wrote: How do I determine the engine year? It's a i/o with a 1977 pre alpha outdrive. Engine is a 3.0L 140HP. Thanks |
#3
posted to rec.boats
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Year of engine
On 27 Oct 2006 11:02:33 -0700, "jamesgangnc"
wrote: Is there some reaosn to think it is not a 1977? If you can find the merc tag with the serial number on the engine that will help you. If you think the engine has been replaced at some point and there is no tag then you may be able to find a number stamped in the block that would give you an idea. It's usually really hard to find these except with the engine out of the boat though. The 3.0 is a gm 4 banger and is relatively unchanged over the years if you are looking for parts. wrote: How do I determine the engine year? It's a i/o with a 1977 pre alpha outdrive. Engine is a 3.0L 140HP. Thanks Yes Engine was changed about 3 years ago by previous owner.Only serial # I could find was on the flame arrester,but how accurate is that. Anybody can change the flame arrester. Yes it is for ordering parts.On engine block all I see is: 14097080 GM HECHO EN Mexico Thanks for help. |
#4
posted to rec.boats
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Year of engine
You can probably do some searches on gm/chevy block numbers and find out if
that number can tell you anything. If it is a cast in number, raised numbers, it won't tell you as much. If it is stamped on a machined surface you might get more out of it. The parts are very common across a wide range of different years on these so you may need to know more. Also when the engine was replaced they could have simply swapped over some of the parts from the original engine so depending on what you are looking for you might need the 77 part or you might need the newer part. What exactly are you looking for? wrote in message ... On 27 Oct 2006 11:02:33 -0700, "jamesgangnc" wrote: Is there some reaosn to think it is not a 1977? If you can find the merc tag with the serial number on the engine that will help you. If you think the engine has been replaced at some point and there is no tag then you may be able to find a number stamped in the block that would give you an idea. It's usually really hard to find these except with the engine out of the boat though. The 3.0 is a gm 4 banger and is relatively unchanged over the years if you are looking for parts. wrote: How do I determine the engine year? It's a i/o with a 1977 pre alpha outdrive. Engine is a 3.0L 140HP. Thanks Yes Engine was changed about 3 years ago by previous owner.Only serial # I could find was on the flame arrester,but how accurate is that. Anybody can change the flame arrester. Yes it is for ordering parts.On engine block all I see is: 14097080 GM HECHO EN Mexico Thanks for help. |
#5
posted to rec.boats
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Year of engine
On Fri, 27 Oct 2006 21:26:29 GMT, "James" wrote:
You can probably do some searches on gm/chevy block numbers and find out if that number can tell you anything. If it is a cast in number, raised numbers, it won't tell you as much. If it is stamped on a machined surface you might get more out of it. The parts are very common across a wide range of different years on these so you may need to know more. Also when the engine was replaced they could have simply swapped over some of the parts from the original engine so depending on what you are looking for you might need the 77 part or you might need the newer part. What exactly are you looking for? wrote in message .. . On 27 Oct 2006 11:02:33 -0700, "jamesgangnc" wrote: Is there some reaosn to think it is not a 1977? If you can find the merc tag with the serial number on the engine that will help you. If you think the engine has been replaced at some point and there is no tag then you may be able to find a number stamped in the block that would give you an idea. It's usually really hard to find these except with the engine out of the boat though. The 3.0 is a gm 4 banger and is relatively unchanged over the years if you are looking for parts. wrote: How do I determine the engine year? It's a i/o with a 1977 pre alpha outdrive. Engine is a 3.0L 140HP. Thanks Yes Engine was changed about 3 years ago by previous owner.Only serial # I could find was on the flame arrester,but how accurate is that. Anybody can change the flame arrester. Yes it is for ordering parts.On engine block all I see is: 14097080 GM HECHO EN Mexico Thanks for help. Yes its raised #'s. Been searching about 2 weeks without any luck.Really would like to find out serial#.Seems all the part dept. asks is for the serial # then the year. I know neither. Basically all I need right now are maintainence parts.(fuel filter, carb filter,belt,and would like to replace thermostat.) Just would like to know for future problems. Thanks again. |
#6
posted to rec.boats
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Year of engine
The raised number is usually the gm block part number. The stamped number
will tell you how the block was built originally. Neither is much use to you when dealing with mercruiser people because they want the merc serial number and it was on a plate or on the cover for the spark arrestor of the original engine. You don't need it for any of the stuff you want right now. wrote in message ... On Fri, 27 Oct 2006 21:26:29 GMT, "James" wrote: You can probably do some searches on gm/chevy block numbers and find out if that number can tell you anything. If it is a cast in number, raised numbers, it won't tell you as much. If it is stamped on a machined surface you might get more out of it. The parts are very common across a wide range of different years on these so you may need to know more. Also when the engine was replaced they could have simply swapped over some of the parts from the original engine so depending on what you are looking for you might need the 77 part or you might need the newer part. What exactly are you looking for? wrote in message . .. On 27 Oct 2006 11:02:33 -0700, "jamesgangnc" wrote: Is there some reaosn to think it is not a 1977? If you can find the merc tag with the serial number on the engine that will help you. If you think the engine has been replaced at some point and there is no tag then you may be able to find a number stamped in the block that would give you an idea. It's usually really hard to find these except with the engine out of the boat though. The 3.0 is a gm 4 banger and is relatively unchanged over the years if you are looking for parts. wrote: How do I determine the engine year? It's a i/o with a 1977 pre alpha outdrive. Engine is a 3.0L 140HP. Thanks Yes Engine was changed about 3 years ago by previous owner.Only serial # I could find was on the flame arrester,but how accurate is that. Anybody can change the flame arrester. Yes it is for ordering parts.On engine block all I see is: 14097080 GM HECHO EN Mexico Thanks for help. Yes its raised #'s. Been searching about 2 weeks without any luck.Really would like to find out serial#.Seems all the part dept. asks is for the serial # then the year. I know neither. Basically all I need right now are maintainence parts.(fuel filter, carb filter,belt,and would like to replace thermostat.) Just would like to know for future problems. Thanks again. |
#7
posted to rec.boats
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Year of engine
wrote
Only serial # I could find was on the flame arrester The tag is supposed to be he http://blizzard.zmm.com/snlocation.jpg |
#8
posted to rec.boats
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Year of engine
On Sat, 28 Oct 2006 15:47:40 -0400, "Ernest Scribbler"
wrote: wrote Only serial # I could find was on the flame arrester The tag is supposed to be he http://blizzard.zmm.com/snlocation.jpg No tag there Ernest. I 'm making some progress. Found this for a 12 3/4 in. flywheel "This fly wheel is unique to a 3.0L engine. It will only fit and work on a 3.0L engine made after 1990". I know mind is a 12 3/4 in. one. So its 1990 or later. Thanks for your help. |
#9
posted to rec.boats
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Year of engine
stop by your local GM number with the number 14097080 GM . They should be
able to give a year range. wrote in message ... On 27 Oct 2006 11:02:33 -0700, "jamesgangnc" wrote: Is there some reaosn to think it is not a 1977? If you can find the merc tag with the serial number on the engine that will help you. If you think the engine has been replaced at some point and there is no tag then you may be able to find a number stamped in the block that would give you an idea. It's usually really hard to find these except with the engine out of the boat though. The 3.0 is a gm 4 banger and is relatively unchanged over the years if you are looking for parts. wrote: How do I determine the engine year? It's a i/o with a 1977 pre alpha outdrive. Engine is a 3.0L 140HP. Thanks Yes Engine was changed about 3 years ago by previous owner.Only serial # I could find was on the flame arrester,but how accurate is that. Anybody can change the flame arrester. Yes it is for ordering parts.On engine block all I see is: 14097080 GM HECHO EN Mexico Thanks for help. |
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