Didn't miss any point. Over 500ft-lbs from 2800 - 3600 rpm, then it doesn't drop below 500 ft-lbs all the way through 6800. No need for a 4500 stall. 3K would do it. 3400 car, 3.91's, 3000 stall, you have a low 10 ride.
They used KB pistons, around 10.6cr IIRC. Iron heads more then doable for...