62s from a 69 428. The motor has a stock crank, Cat Rods, and speed pro forged pistons that are flat tops so I am running a good amount of compression. The cranking compression numbers were around 220 and some of that is probably thanks to the baby camshaft i am running.
Last edited by Mikes455Wagon; 04-17-2010 at 02:40 PM.
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