700R-4 Overdrive Downshifting

[Jonboy]

Originally Posted by BRUISER

The R4's in mid-80's Camaro's wouldn't downshift until 3/4 throttle. At least not the TPI cars. That shouldn't be too hard to rectify.

The "performance" cars like the Corvette and F bodies use a differennt shift servo. Scroll down the page a little bit to the servos on this page: http://www.4l60-e.com/ $19.00 for the GM servo is a lot cheaper than my cost here at a dealership, FWIW.