with the rods in at .002.8 you will have 20psi hot at idle alot of the big blocks i do for race are set up about there . on the rods when the oil get warm it going thru them rods at 002.8 and that is just the way it works .less you run a dry sump .on stock stuff i set them up with 1/2 of the size your running on your rods so the stock oil pump can keep up .i have many big block set up loose and hot they never made 25 psi hot and never more then 65psi running hard and that 10 pounds for every 1000 rpm is bull shit if that was true i would have one big pile of big blocks i do not