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DonE DonE is offline
Wo ist die Rennstrecke?
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Join Date: Mar 2004
Location: Brooks, GA
Posts: 1,211
Originally Posted by 930cabman View Post
My 1987 930 has a similiar issue with regards to smoking. Sometimes smokes on startup, sometimes smokes when under full accelleration. Otherwise runs good, 85k miles on the clock.

Thanks all for the replies
This would tend to point to the turbo and it's oil seals. When the car sits, oil can seep past the turbo oil seal - and it doesn't take much. If the car sits overnight and puffs blue smoke, its a function of oil seeping past the rings. If it blows blue smoke on WOT, then it could be a combination of rings and turbo oil seal (increased oil pressure on the oil seal, pushing oil past the seal into the turbine housing). You can check ring leak using a leak down tester: low leak down, mot likely bad turbo seal.
Old 10-08-2009, 06:29 PM
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