I have a stock 5.0L TBI small block chevy (hydraulic roller camshaft) installed in a 1990 4X4 truck ), I want to replace the camshaft to improve torque, what is the best combination for this, I want to replace only the camshaft, roller rockers arms timing chain and sprockets.It has already has installed already TBI spacer, KN filter, 1.5quot; headers, and flowmaster exhaust.Regards!!
