MOTOR
Ok here it goes...
388 ci sbc 13-1 -,canfield heads extensive bowl ,port and runner work, 208-160 valves - super victor intake, plenum work, AED 850 carb, 1 in spacer, jesel shaft rockers, comp cams roller lifters, rockers,mech roller cam.. i dont have the cam card and everything is still at the builder, eagle rotating assembly J&E forged small dome pistons, ati super dampener, msd dist./wires, im thinking the cam is the key he only mensioned 640 in 630 ex.(not corrected) . dont know duration until i get the cam card- his claim is this simular combo at 358 ci made 622 hp - that particular motor is is a 3400lb all steei 69 camaro running 10.39 i have seen it run that number in the 90 plus degree heat all day on gas with a 750 AED.