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Forum: Pontiac - Street 01-24-2019, 04:26 PM
Replies: 36
Views: 4,987
Posted By 421mike
oil temps

I drove my 421 SD on the street with an 8 quart SD pan with only 7 quarts and a 390 rear end. spinning it up there on the freeway. Never got over 230 on the oil and about 190 on the engine. Ran...
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