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KTL KTL is offline
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Join Date: Sep 2000
Location: Frankfort IL USA
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I'd go with the OEM Porsche boxed bearings. There's a definite quality control difference between Porsche boxed bearings and the aftermarket Glyco

This is a good thread that covered a lot of people's observations and comments on bearing quality. I think ultimately the bad batch of 3.2/3.3/3.6 rod bearings was identified as aftermarket Glyco made in South Africa? I could be mistaken about that, as i'm going by memory here.

Rod Bearing Controversy

Even though I mention the rod bearings being the problem, we have also encountered main bearings that don't measure up well. I myself had some aftermarket Glyco mains and wasn't pleased with how they measured up when placed in the case, bolted together and checked with a bore gauge. The quality has slipped a lot in the aftermarket bearings and it's a real roll of the dice. You're better off just sucking it up and spending the money to get the known good bearings.
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Kevin L
Present: '86 Carrera, '79 911SC widebody conversion rolling racecar shell
Past: '87 Carrera
Old 06-12-2018, 10:46 AM
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