Originally Posted By fast68plymouth
Here's a couple of examples to show how the efficiency of the car is a big player.
From what should be better, to not as good......

1- 1.28 60', 9.07 @ 145, 3660lbs

2- 1.41 60', 10.04 @131, 3470lbs

3- 1.51 60', 10.89 @ 123, 4200lbs


I was hoping rb446 would give me his HP estimates for these 3 so I could illustrate a point....

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