Quote:
Originally Posted by woywitka
You had zero symptoms, surely oil was getting by and consuming, no?
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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.