Add Yahoo as a preferred source to see more of our stories on Google. Long before automatic transmissions like the 4L60E earned such bad reputations, General Motors entrusted the Turbo Hydra-Matic ...

In the auto trans world, few transmissions can handle the type of power the TH400 can when it's upgraded from stock. Unlike the Powerglide, which is mainly a drag racing trans, the TH400 is a viable ...

A far better option is to purchase a new or remanufactured trans, tailored to your engine's power output. TCI Automotive offers three stages of transmission: the Street Rodder, capable of handling 350 ...

You are probably thinking, "Why can't I use a 727 or OD behind my Hemi instead of a TH400?" You can, but it's much harder to source goodies like transbrakes, state-of-the-art shifters, and a wide ...

In the past, automatic transmission swaps were normally done so the tranny would handle the extra power of a new (or bigger) engine combination. Rarely, if ever, were gear ratios or the benefits of ...