from what I've read these 225's came with a 455 oil pump
eh, that should be a Buick 350 / 340 / 300 / 215 oil pump and timing cover. SBB and BBB v8s have similarities but they are different animals. also, the Buick 231 / 1st gen 3.8L / 4.1L v6s and Rover v8 variants from 1967 to sometime in the 80s should work.
which creates 20 psi at idle and I max at like 70 to 75 psi at 4000 rpm..
sounds like you have oodles of pressure. PO probably turned the pressure relief screw in or shimmed the pump gears already.
not unusual for Buicks to leak but the most typical problem area is the rope crank seals. you can substitute modern neoprene seals for those if you ever do a tear down.
The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
Vladimir Lenin
Government schooling is about "the perfect organization of the hive."
H.H. Goddard, Human Efficiency (1920)
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