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Just to let everyone know and for future ref. It was the oil pump. I took it out and the relief spring in the big blk oil pump is wrapped in plastic.Well that plastic got hard tore itself up and...

I used a fram then a gm delco this time i'll try k&n

Thanks guys I'll try your ideas and see what happens. As for the oil pressure the 1st time it blew it pegged the gauge and it ruined it so I don't know now. I hate to ruin any more but I guess I'll...

I changed the by pass but put in a used one since thats all I could find. The spring seems to move easy enough.

I've got a 70 chevelle 402 in my 57 chevy. It sat afew years and when i fired it up again it keeps blowing the oil filter gasket out. The 1st time it did it right a way. The 2nd time after a couple...