My combination is-73 Challenger, 418 cid, 11.55:1 comp, Edelebrock RPM heads, Vitor intake, 950HP carb, 262in 268ex 675" lift, 727 tran, 9 1/2" 4800 converter, Dana 60 w/ 4.10 gears, 28 x 12.5 ET Street tire, and the weight is 3720 w/ driver. I have ran a best of 6.92 @97.2 and 10.98 @120.7 w/ 1.50 60' time.