What,s a good RPM to launch a 4 speed?

I,m gonna install my 2 step rev-limiter,what,s a good RPM pill to put in for launching my 4 Speed?The car is my 73 Dart Sport 340..
340 stroked to 372 dynoed 452hp
833 4 speed'
C.F dual friction clutch,
lakewood s.sheild,
8 3/4 s.g 4.10 with Moser LBP,d.shaft loop,new u-joints
slide-a-link,90/10 shocks,
26 inch slicks.
Thanks.