Quote
My past 440 had compression, flow, intake and carb, and it fell short by a lot.


You’ve been around this stuff forever....... so, where do you feel your combo needed to be improved to get into that 500hp range?

I can assure you there were no magic parts in the “default 500hp” combo.

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