Oil pump rebuilder

[KiWinUS]

Originally Posted by rockfla

Yes, TerryOH makes a good point for all the "early" blocks using the 8BA to be sure and leave your 50psi oil pressure relief valve in the block.....ALSO as an aside. I use an O-Ring in the groove of the oil pump housing by the flange where it meets the block to seal it off.....It "may not" make any difference BUT it cannot hurt anything either and its assurance oil stays where its intended!!!

No sure I agree with above. I have a 36LB that has 80lb pump and springs. Has been that way for over 20 years. No leaks or issues.