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Join Date: Jan 2008
Location: Weehawken, NJ
Posts: 3,625
Quote:
Originally Posted by woywitka View Post
You had zero symptoms, surely oil was getting by and consuming, no?
On my car, oil consumption was well within factory limits. No smoking, car ran strong. Like I said, Porsches run great with broken rings and deformed pistons.

I did a compression test on my engine and the offending cylinder was down vs. the others, but still had a very good #. It was within 10% of the others too, which is just at the borderline of where common wisdom says to be concerned. Leakdown for this cylinder was 40%. Others were <10% (even though rings were shattered on 2 other cylinders as well).

The "symptom" both of the cars displayed was that they didn't perform as well as expected given the modifications each had. My car was dead-even in an impromptu stop-light drag race with a virtually stock '87 930. This was after I had spent a bunch of money on new exhaust, and an upgraded turbo. I should have been able to pull away from a stocker, but I couldn't.
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Jacob
Current: 1983 911 GT4 Race Car / 1999 Spec Miata / 2000 MB SL500 / 1998 MB E300TD / 1998 BMW R1100RT / 2016 KTM Duke 690
Past: 2009 997 Turbo Cab / 1979 930
Old 10-06-2014, 11:56 AM
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