oil pumps,,high pressure,high volume,both?

Rod to rod oil clearance is also vary important. my first eng build. I had vary vary low pressure at idle with a hi volume hi pressure pump installed.

when i built it the 2nt time, i kept the same oil pump but installed some "nos" stock 340 rod by brother found at the dealership.

I have way to much oil pressure with 5w20 in it now. before it was 20/50......................................:read2: