Quote Originally Posted by 35chevy View Post
Tech, where did you get the figure for the intake valve closing point? the cam card shows 61 abdc @ .006 and the camquest software shows 38 @ .050. I just figured out I've been entering in the piston head volume wrong in the KB calculator and that's been throwing me off. Thanks for the help. You're the man
42 ABDC came off the CompCams site. It won't give you the 0.050" figure directly, you have to use the intake centerline and intake duration @ 0.050" to figure it for yourself. This time, I cheated though and clicked the cam part number into the DynoSim where the IC @ 0.050" pops right up.