Swappers have been inquiring how the new-generation GM automatics compare to the traditional TH-350, TH-400, and Powerglide trannys. Some want to swap the new 4-speed overdrive automatics into older ...
G.E.R. Precision Converter just released a modified 9.5-inch J-type converter for GM TH350, TH400, Powerglide, and Chrysler 727 and 904 transmissions. The converter is designed for a less-restrictive ...