Oily smoke at idle

Started by TGPRobNY, September 23, 2002, 07:31:46 AM

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TGPRobNY

September 23, 2002, 07:31:46 AM
I have a stock TGP and it has amazing performance. I have a totally hollowed out cat also. I have replaced the oil return line a couple of months ago thinking this may cure the problem. I will check a few spark plugs for oil residue also. The smoke only appears at idle and not upon acceleration. When I stop at a light, it appears and quite embarrasing. The car has 70k miles and would it need valve seals/guides ? Other than this problem this car is extremely fast. Your help as in the past, is most appreciated. Rob

HiZ

#1
October 09, 2002, 12:48:45 AM
I have the same thing on mine.
Bad head gaskets, I did a chem. test and found out there's a bit o CO2 in the coolant. Doing a head job and N2O instal soon.
you are not him me HiZ

Tooky

#2
October 09, 2002, 08:07:45 AM
Bad turbo seal leaking oil into the exhaust housing?
Josh Straub
1990 Pontiac Turbo Grand Prix, GT2871R 475HP-capacity turbo, built 4T60, 28# Injectors, DIY Ostrich realtime chip tune, JeffM Crossover, Cold A/C, BoostValve.com manual controller @ 14 PSI.  200,000 mi factory original motor.  Best time on T25 @ 11 PSI: 14.78 @ 93 MPH.
1991 GMC Syclone: 11.79 @ 114 MPH. Stock with PT51 turbo plus SMC alcohol injection and tuning, 24 PSI

TGPRobNY

#3
October 09, 2002, 08:16:40 AM
Yes thats what I'm thinking...the side hose came off one day , the one from the intercooler(gues I forgot to retighten it well) and noticed drops of oil coming out from the turbo housing so this is my current theory. Upon start up in the morning..its fine...and pulled a few plugs also and they appear normal as well. Thanks again, Rob
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