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Registered User
Join Date: Jul 2011
Posts: 21
Would appreciate any input on this matter.

Hi everyone. I've been lurking around and decided to finally join the forum.

I own a Porsche 911SC (1980). I bought it almost 20 years ago and i had the engine rebuilt about 10 years ago. After that, it just sat in my garage for many years without use(don't flame me). When i tried to start it up recently, it burns oil. A LOT. Blue smoke out of the exhaust and won't stop. Could it be the PCV? Any input would be appreciated..

PS- I was thinking it could also be the valve seals.

Old 07-27-2011, 04:56 PM
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Roby466's Avatar
Join Date: Sep 2009
Location: Halifax, Canada
Posts: 637
How long have you run it?
You might get more response on the 911 forum, this one being for turbo and supercharged cars, it does not have as much traffic as the 911 technical forum.
More info will be required though.
Good luck
1985 Black 930, K27 7006, Garretson Intercooler, Adj boost, TB: 23 - 31mm, bielstein sport shocks, ER polybronze bushings front and rear, ER monoball joints front and rear with offset camber plates, 935 X triangulated strut brace, raised spindles, racing bump steer kit
1981 Black 911sc (sold)
Old 07-27-2011, 05:09 PM
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Got Boost?
Join Date: Apr 2001
Location: Seattle, WA
Posts: 376
Well, one scenario which is highly unusual but happens, the piston rings may have lined up allowing oil to the combustion chamber. This is the theory behind my Carrera 3.0 2 day smoking fiasco and just stopped and running perfect as always after that.

One frequent mistake is that owners check their oil cold after forgetting it is a 911 for not driving it for years , so they add more and more oil. When you started it up you get overflow and a lot of smoke. If this is the case, drain some oil.

Another possible cause, if the car was started without shooting some WD40 or lubricant into the chambers and manually rotating the engine prior to a startup, then the piston rings may have been damaged.

BTW - this is the Turbo forum...
"The only motivation to make you go race after race, travel after travel, is winning. The possibility that you have for winning. If you don't have that, nothing else can make you work."
-Ayrton Senna-

Last edited by IMONBOOST; 07-27-2011 at 05:44 PM..
Old 07-27-2011, 05:41 PM
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Registered User
Join Date: Jul 2011
Posts: 21
Thanks for the replies guys. My bad, i only read the part that says "911". My mistake, ill take it to the tech forums!

Old 07-27-2011, 05:56 PM
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