what size clearance you have other then right on spec?? rods for oil clearances can be from .001.2 to .003.+ and mains .0007 to .003.+ how were they check ? the stock oil pump is not going to give much oil psi if crank is past .003. on rods and mains. hot oil thins. them are specs for the 350 sbc thats is in spec but thats not mine on a mild drive it every day engine i like to be about in the middle of specs