im new to the LS motor game. ive always owned a dodge and decided to get me a chevy this time. i have a 05 chevy silverado 4x4 crew cab. all i have done so far is si/do super 10s x2. true duals. next will be an intake and lt's. any suggestions for upgrades is greatly appreciated. cam, heads, intake manifold, so on and so forth. thanks, Bruce