Thread: Oil question
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Steve@Rennsport Steve@Rennsport is offline
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Join Date: Jul 2001
Location: Portland Oregon
Posts: 6,993

I have NEVER, ever replaced a cat in 44+ years that failed due to oil contamination and I've seen quite a few of these cars in that period..

I have replaced cats due to poor maintenance practices that caused the cores to melt & fuse together. One aspect is correctly maintaining oil level in these dry sump engines and you'd never believe what I've seen people inadvertently do.

Remember cats are far cheaper than cams & rockers so I'd recommend using a good oil in these engines; Brad-Penn is one of them.
Steve Weiner
Rennsport Systems
Portland Oregon
(503) 244-0990
Old 10-05-2017, 02:17 PM
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