does anyone know how much horse and torque a 406 sbc with vortec ported and polished heads with 202 and 160 valves 64cc combustion chamber, rpm air gap intake with 9.8.1 compression, headers will make. ive heard a similare setup without ported vortec heads made 425 hp and 525 ft lbs torque is it possible to reach this goal or higher with this setup.
