Originally Posted by JohnnyBravo
Jason from Texas Drivetrain Performance built my custom trans. All 6060 gears in my T56 case with a custom 31-spline main shaft and the tighter 5/6 gear ratios like the Gen V Viper.
Give him a call.
I did a lot of research into this last year and Jason at Texas Drivetrain was going to be the guy to do my tranny work. I did not use him in the end because I bought a NIB ACR-X tranny, but a lot of folks out there are very happy with his work.