I have a GT with a ProCharger. I also have 3.73 gears.
An SVT will run higher rpms that a GT. Launching rpms depend more on tires than anything else. Street tires I have to lauch a 2,000 and bogged down the motor to get my best 60" which was 2.0. Nitto 555Rs need to be really heated up. I wasn't doing it enought at first and just bounced off the rev limiter on launch. But laster, wow. At a 3500 rpm launch I bogged the motor down and got a 1.85 60". With more experiences I'm sure I can do better.
I believe that shifting at 6200 in first is best (redline is 5800). It keeps the motor in the power band better for the lower second gear. I shift at 6,000 for the other gears.
I'm still experimenting. If you ask me this next year you will get a different answer.
ProCharger P-1SC, 9 psi, STD 396/383; Uncorrected 388/375; SAE 383/370.
USAF 1969-1996: Vietnam veteran. Aircraft maintenance. ICBM Operations. Research & Development.
Also own: 1997 Harley FXDWG, 1998 F-150, and 2002 Corvette LS1