What cam? I have a Crower RAIV w/1.72 H.S. rkrs. Thinking of going to a 245* cam. The 4 corner idle screws are nice, arnt they. How much you gon'a hit it with? Concerned about going over 175 with the rpm intake(even distribution). Lowered center divider? How much, bout an 1"? Havent touched mine...yet.