Originally Posted by 427 zeo6

My LS3 specs at 0.135"ptv on intake and 0.185"ptv on exhaust. We found that trying to run a cam with relativly small duration but tight (113) lobe seperation. Wouldn't fit due to valve clearance problems. If your going to run a wide lobe seperation like GM with short duration, you'll be fine, its when you try to modify, that will get you into major problems.

Originally Posted by dawgs74

does your ls3 have valve reliefs, if not what kinda cam are you able to get away with? I don't have reliefs on my pistons but I wanna run a 226/236ื.525/.535ืon 110 lsa

Originally Posted by dawgs74

does your ls3 have valve reliefs, if not what kinda cam are you able to get away with? I don't have reliefs on my pistons but I wanna run a 226/236ื.525/.535ืon 110 lsa