hard to say I would expect with no oil pressure you would see some sort of damaged even if the pressure relief valve was stuck either way you would have oil pressure. there is nothing that I am aware of that would make it change that much going for n into gear. let us know when you find out
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1976 Custom Deluxe SWB Med FMB.3/4 Drop.
Gen VI 454, Muncie HD 3 speed With Modified OE Hurst Shifter, 3.73 12 bolt, GMPP HO roller cam, Hooker headers, Performer intake with modified Q-jet, Accel distributor. Best 1/4 12.3 @108. Funnest run 19.84 @88 full 1/4 mile burn out.
1997 K1500 ext cab 5.7 stock except muffler
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