Quote: What I am itching to know is if these heads will support an honest 650 ponies with a good non exotic roller cam shortblock under them 400+ inch 4 inch motor... If so
If not.....
I wonder this as well. Hopefully some of these guys buying them up will share numbers with us when the motors are together. My current 59* motor makes about 625, but its bigger and fancier than most.
