So how much cam are you guys running that have the head shaved and the block decked .100"+ Mine is a 67 225 with about .115" cut off, 3 angle back cut valves, and ported. It runs nice:yawinkle:. I'm currently doing a 904>833 swap and a 7-1/4"> 8-3/4 rear. I want a nice lumpy cam that will be...