Hot Rod Forum banner

th700

  1. Installing T-400 into 89 Silverado removed 700

    Transmission - Rearend
    Hello All, I am working on installing an TH400 into an 89 Chevy Silverado that previously had the 4 speed transmission (TH700) with the TV cable. Where is the best place to install the vaccuum line for the modulator and is the wiring there for the down shift relay? Any help on this would be...
Top