The 700R4, also known as TH700R4, is a General Motors four-speed automatic transmission that was used from 1982 to 1993. Internally called a Hydra-Matic MD-8, it was ...
Imagine a late-model, high-tech automatic 4-speed trans with a lower first gear (3.06:1) than the obsolete 2-speed Powerslide, or even the 3-speed TH-350 or TH-400. Imagine the effect of a high-gear ...
When it comes to drag racing performance, your transmission is nearly as important as your engine. Sluggish and sloppy shifts rob power, thus killing e.t.’s. It can also make your Chevy a real ...