all i can/will add is this there is no substsitute for cubic inches..the more you have the less you have to spin a given motor to realize a certain power level....big motor=less rpm=less maintenance=less getting into thy wallet
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, 10.40 @127 1/4 1.41 best 60 foot 6.60 at 103.90 1/8