lowering 60 foot time

launch harder as in stage at a lower speed to give the converter more hit?

moper:
the car is 3200 or less with me in it.
it's a 72 400 with about 8.5-9:1 CR
452 heads, some porting
windage tray, deep oil pan
Torker intake
770 cfm vac sec holley street avenger (jetted 72/75or76, bare sec spring, .031 squirter)
K&N 14x3 filter
aluminum WP/housing/radiator
5" aluminum lower pulley, 6" stock WP pulley
battery in trunk
B&M Holeshot 3000
TF-2 kit in trans
3.91 sure-grip
275/50-15 BFG drag radials
3000# S/S springs
Gabriel mid-price range truck shocks