Originally Posted by 454C10
Roller cam would help a lot to make more torque (225 to 230 degrees duration at 0.050, 108 to 110 LSA)
i don't think thats correct cam duration for bottom end torque. i think you need some thing like 210 or 212 intake duration @ .050 . the higher you go in duration the more the bottom end will suffer.
here is a quick explanation of how a cam works. scroll down