That's good info, but I'm running Magnum heads which have 1.6 rockers. Not sure how that would affect anything. Like I said, I don't want to lose any low and torque.

1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser

1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)