ok so, i can buy a long block, through in a bigger cam as long as i upgrade everything else? like rocker arms studs springs, and all that stuff? i was looking at the gm 350 long block, its got 260 hp and 350 ft lbs , i want to put a nice cam in , low end torque, not to big though, would would you guys recomend? i was looking at comp cams 242 i think, it seemed ok for the engine. those are my plans, you guys have any other suggestions? thanks again.