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#1
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86 Volvo Penta 350 white smoke
Hey Guys, I have an 86 Penta 350 in my Bayliner and at start up there
is no smoke, but when it gets warmed up around 170, it starts putting out white smoke. My oil is clean and the engine runs pretty smooth however I am getting very little to no water out the exhaust and yes I have the outdrive with the prop off resting in a tank of water. No leaking water into the bilge. I just replaced the impeller and am now thinking of the water pump, but the smoke is making think there is another problem. Any help would be appreciated. Thanks |
#2
posted to rec.boats.building
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86 Volvo Penta 350 white smoke
On Wed, 9 Sep 2009 12:11:27 -0700 (PDT), fzbuilder
wrote: Hey Guys, I have an 86 Penta 350 in my Bayliner and at start up there is no smoke, but when it gets warmed up around 170, it starts putting out white smoke. My oil is clean and the engine runs pretty smooth however I am getting very little to no water out the exhaust and yes I have the outdrive with the prop off resting in a tank of water. No leaking water into the bilge. I just replaced the impeller and am now thinking of the water pump, but the smoke is making think there is another problem. Any help would be appreciated. Thanks Usually white smoke in the exhaust is caused by water leaking into the combustion chamber. Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#3
posted to rec.boats.building
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86 Volvo Penta 350 white smoke
Bruce In Bangkok wrote:
On Wed, 9 Sep 2009 12:11:27 -0700 (PDT), fzbuilder wrote: Hey Guys, I have an 86 Penta 350 in my Bayliner and at start up there is no smoke, but when it gets warmed up around 170, it starts putting out white smoke. My oil is clean and the engine runs pretty smooth however I am getting very little to no water out the exhaust and yes I have the outdrive with the prop off resting in a tank of water. No leaking water into the bilge. I just replaced the impeller and am now thinking of the water pump, but the smoke is making think there is another problem. Any help would be appreciated. Thanks Usually white smoke in the exhaust is caused by water leaking into the combustion chamber. Cheers, Bruce (bruceinbangkokatgmaildotcom) ....from a blown cylinder head gasket. This can be reasonably easy to fix, if caught quickly, before the mating surfaces erode too much. Brian W |
#4
posted to rec.boats.building
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86 Volvo Penta 350 white smoke
On Thu, 10 Sep 2009 06:59:22 +0700, Bruce In Bangkok
wrote: On Wed, 9 Sep 2009 12:11:27 -0700 (PDT), fzbuilder wrote: Hey Guys, I have an 86 Penta 350 in my Bayliner and at start up there is no smoke, but when it gets warmed up around 170, it starts putting out white smoke. My oil is clean and the engine runs pretty smooth however I am getting very little to no water out the exhaust and yes I have the outdrive with the prop off resting in a tank of water. No leaking water into the bilge. I just replaced the impeller and am now thinking of the water pump, but the smoke is making think there is another problem. Any help would be appreciated. Thanks Usually white smoke in the exhaust is caused by water leaking into the combustion chamber. Only problems with that idea is that first of all, water doesn't do that. Each pound of fuel burned produced abot a pound of water. Then there is the water dumped into the exhaust elbow. Lots of piston airplanes have used water injected into the intake manifolds to prevent detonation. Jets have used water injection to increase the mass flow, hence thrust. No smoke in either case. You can get wisps of cloud that evaporate almost instantly and never make it more than a foot from the transom, but it isn't smoke anymore than the wisps of white at the tailpipe of any engine in the winter are smoke. Glycol will indeed cause white exhaust smoke. My Starcraft is glycol cooled. It had a blown head gasket when I got it. Luckily it has a inline four, something you can work on. I will ask the previous owner about glycol smoke. In short, never with water, with glycol always. Casady |
#5
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86 Volvo Penta 350 white smoke
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