can a stock bottom end on 72 402 actually its a 414 but will it hold up to 5 to 7 lbs of boost from procharger how much hp gains or should i just invest in another bb with about 450 hp
I have a bb 402 with q-jet was hesitating off idle and sputtering a falling on its face at about 4500 rpms bought a jet perfomance q-jet . still does same thing . new plugs,wires,rotor and cap still does same thing