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Old 07-28-2021, 09:46 PM
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GTOGEORGE GTOGEORGE is offline
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Join Date: Mar 2003
Location: South Rockwood, MICHIGAN
Posts: 8,884
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Originally Posted by gogtogo View Post
Getting ready for Norwalk today and changing oil in my 64 goat and noticed my filters bottom was blow down. 462 @ 748hp, can anyone recommend a cure? 20/50 Penn Grade oil. Oil pressure is 80-100psi at cold start so I use a heating pad on the oil pan to preheat the oil.
My buddy has that in his BB Chevy and don’t have a problem. 80-100 is high for a Pontiac….you only need 10 lbs of oil pressure per 1,000 rpm!



GTO George