Your signature says blown big block,is that your powerplant for the truck? if so,you're gonna have to go for a Richmond or Tremac aftermarket tranny, big bucks, like around 3 grand new.The late Camaro or Vette 6 spds will work,don't know if they can handle abuse behind 500 plus hp,maybe the Viper version can?,again all fairly expensive at around 1000 plus for used ones.A NV4500 may have the strength, but it's got a low first gear for truck use and was never designed for high rpm shifts.
Stay with a stick, auto's are for girls
