hi I have a orig 350ho and I benched the orig engine and had a 400ho engine built I am changing a couple of comp lifters for a quieter set anyway currently an 068 cam and wondering if its worth it to upgrade the cam got 3 on my list
crower 60916 60242 or summit 2802
406 ci
4 speed
3.36 rear
10.06 compression
long tube headers
x pipe exhaust
12 int. 21 on dist 10 vac
750 street demon
roller 1.5 rockers
adjustable valve train
d port heads
16 inch vac @ idle
power brakes

had 1.65 rockers on but the so called pontiac builder never clearenced for the pushrods