I have a 71 scamp 318 .60 KB 399 pistons 11.3 to 1. 62cc milled 360 steel heads with lots of work 2.02/1.60 super Vicktor intake 750 BG silver claw carb MP 590/312 solid cam 265 at 50. JR fender well headers msd 6al and pro billet and baster 2 and wires eagle H beam rods 273 steel crank moroso...