Re: 966 is a smoker

Posted by captaink on January 07, 2005 at 11:06:53 from (66.115.214.56):

In Reply to: 966 is a smoker posted by Rich's966 on January 07, 2005 at 10:05:22:

I have a 966 (well, a severely modified one) with w 436 crank, pistons, and a 1066 turbo on it. Anyway, when it was still a 414, it used to smoke profusely on a cold startup and didn’t start that well below about 32 degrees either unless the engine heater was plugged in. I wouldn’t let bluish smoke at startup worry me if it clears when its working, (not just warmed up, working!)

As far as the internals, the top piston rings are compression rings designed primarily to seal the combustion chamber. If they are doing their job, the engine will start good, perform well, and have little blow by. The lower piston ring is designed primarily for oil control. If it is doing its job, oil will not go past it into the combustion chamber and be burned. Unfortunately, the two are not related except for the fact that they both wear with sue.

In a nut shell, just because it started easy doesn’t mean it will or wont use oil, the blue smoke could be coming from unburned diesel fuel (due to the engine no being warmed up thoroughly or partially clogged injectors) not necessarily oil. However, having an engine that starts when it’s cold is definitely a bonus! :>)

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