Unported head quickness?

Car>..1969 Cuda, 3000lbs at the line.

Chassis> B/halved, 14x32's/4.88's, ladders/coil-overs, stock fr susp, 90/10's, 318 tors bars

Trans> 727 stock pattern, A1 8" 4500 converter.

Motor> Stock 1968 440SP+.030, bal/blued, stock 906's 2.08/1.74 no porting, fel-pro blues, Team G intake, 850DP w/50c fr pump, 2" open spacer, 2" f/wells, Comp solid flat tappet cam .650"/[email protected], Single external line oiling, stock adj. rockers. NGK 7'[email protected]", 38 deg total, MSD6A, Accel Dizzy.

Best>[email protected] in 1990 = a mere 419fly hp on the day.

Just to add some more info......

Did nothing else but bolt on some 2.14/1.81 906's template ported with HS roller rockers and went
10.71@125 = 484flyhp on the day, same track.