[ozaiss1]

I have a c6 tranny and it wants to shift early. When I first got the car out on the track its 1st to 2nd shift was at 4000rpm. The engine's power band is 4000 to 6200 rpm. I changed to a slap shift and added a shift kit to the tranny and now shifts at 5000. What can i do to the tranny to shift at the rev limiter?