440 into 67' barracuda Formula S

I built a 67 notchback years ago.I welded in frame connectors.I ran a MP..484 hyd.cam. 70 block.Factory cast pistons,factory compression,crappy sp2p?intake.850 holley. 2500 converter. 8 3/4 rear with 3.90 gear.car went 12.64 108. Very streetable combo.