I got a 2006 Chevy Silverado 1500 with 4.8 ,pretty much stock besides Cai,flowmaster true dual exhaust,4.56 gears,well I知 rebuilding the motor and I got. A tsp stage 2 cam kit ,low lift 112 118 112lsa ,,also I live in California,and I got to smog my truck,anyway my truck will pass smog??I can稚 put a tune on it ,being. Where I live,,any help will be much appreciated,,I知 rebuilding the motor so new pistons,rods ,bearings ,oil pump,water pump,coils ,plugs,sensors,,so I値l be breaking the engine at the same time also,,I should I just put my stock cam in ??will my truck run like crap with tsp cam,,will I be able to break the motor properly??thanks