4.56:1 is low while 2.56 to 1 is high. As too tall and short I am not sure.
1968 Ranchero 390. 060 over,10.5:1, Comp 292H Cam, Performer RPM intake, Hooker headers, 4spd. 3.89 dif. ProForm 750 DP, Mallory Unilite distributor, Holley Annihilator cd ignition system, centerforce df clutch.
|
