keep it clean. upgrade spark plugs, spark plug wires, and cap and rotor. upgrade air filter to k&n or completely upgrade the intake to cold air or ram air intake. dont use the cheapest oil u can buy, go with more quality brands. seafoam the gas. just put a full can in ur jeep when gas tank is full. and put lucas motor oil in with the oil on ur next oil change. and every oil change after that. and keep the fluids good and fresh
