Found the drawing posted here on our forum. The outer holes are bolt holes to mount the pump to the block. The center hole is the oil passage.
http://forums.maxperformanceinc.com/...2&d=1397610756
__________________
My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic.
Last edited by Bill Hanlon; 06-14-2023 at 11:06 PM.
|