Super Chevy Magazine Homepage Super Chevy
Facebook Click here to find out more!

Chevy 700-R4 Transission Build - 700 Soup-Up

Jet Performance Transmissions Builds One Strong Overdrive

By Rob Fortier, Photography by Rob Fortier
  • Chevy 700R4 Transmission Build
    The reverse drum is rebuilt with new, heavy-duty clutches and steels. The outside surface is sanded (to remove any glazing), providing more holding power for the band.
    Chevy 700R4 Transmission Build
    The reverse drum is rebuilt with new, heavy-duty clutches and steels. The outside surface
  • Chevy 700R4 Transmission Build
    Next up is the pump modification. Along with a non-lockup converter, the pump has to be reworked, and a few extra holes do the trick.
    Chevy 700R4 Transmission Build
    Next up is the pump modification. Along with a non-lockup converter, the pump has to be re
  • Chevy 700R4 Transmission Build
    First, a 1/8-inch bit is used to create a lube hole for added fluid flow.
  • Chevy 700R4 Transmission Build
    Setscrews are added to hold the lockup valve in place, which eliminates the lockup valve spring.
    Chevy 700R4 Transmission Build
    Setscrews are added to hold the lockup valve in place, which eliminates the lockup valve s
  • Chevy 700R4 Transmission Build
    The goal is to keep the lockup valve in the forward position, as indicated.
  • Chevy 700R4 Transmission Build
    The pressure regulator is modified to prevent the buzzing noise found in some situations.
  • Chevy 700R4 Transmission Build
    Larger pressure regulator boost valves (left) are installed to increase the line pressure.
  • Chevy 700R4 Transmission Build
    Next, a stiffer slide spring is installed, again to firm up the shifts.
  • Chevy 700R4 Transmission Build
    A 10-vein rotor with hardened rings in installed in the pump for increased durability.
  • Chevy 700R4 Transmission Build
    Once completely rebuilt and checked, the assembled input drum is re-installed in the trans case.
    Chevy 700R4 Transmission Build
    Once completely rebuilt and checked, the assembled input drum is re-installed in the trans
  • Chevy 700R4 Transmission Build
    With the drum fit and checked, the pump is then installed.
  • Chevy 700R4 Transmission Build
    Another upgrade featured on the T-700 is the addition of a Corvette servo with stiffer springs, which provides firmed shifting.
    Chevy 700R4 Transmission Build
    Another upgrade featured on the T-700 is the addition of a Corvette servo with stiffer spr
By Rob Fortier
Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!

*Please enter your username

*Please enter your password

*Please enter your comments
Comments:
Not Registered?Signup Here
(1024 character limit)
Super Chevy