I’d turn the pump pressure back up to the 12psi......... or more, if it can do it without affecting reliability.


12psi from the pump is pretty low these days.
I think even the old Holley blue pump was set at 14 psi.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads