Minnesota Classic Glastron Forum
General Category => General Discussion => Topic started by: ccv-19 on September 16, 2024, 11:39:44 AM
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A look inside my Olds 442 engine after 25 years of using Castrol 20-50 oil.
The old oil in cylinders was added to keep cylinders from rusting. The pistons
were only wiped off with a rag. Did a valve job on engine.