The cam seems huge to me for 4000lbs/2000 stall/2.76 gears.

I would have gone about the whole thing differently to more insure it would have been pump gas friendly.

I know............Not much(any?)help.

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