68 d100 318 np435 4 speed with like a 7:1 granny, 3.73, 29" tires, manual brakes/steering. I understand compression is about/under 8:1. Ported/polished 302's with big valves, rpm intake or a single plane, 600-750 eddy card (I want to try a Holley, but I have the eddys). Headers to 3" duals...