Lentech 4R70W Overdrive Unit - Gear Drop

Dump That 5R55S Transmission And Back Your Powerful Three-Valve Mod Motor With A Lentech 4R70W Overdrive Unit.Superchargers, stroker motors, nitrous, and anything else to make a Three-Valve modular motor scream are all the rage with S197 owners. Seemingly half of the '05-newer Mustangs we encounter are over-the-top these days. It might be a bit exaggerated, but no one can deny the popularity of the S197 and the high-level of mods that its owners perform. The aftermarket has many solutions for engine combinations as well as the rearend, but if you are looking for viable options for the middle, the pickings are scarce. There are the usual five and six-speed manual transmission options from Tremec, with an assortment of clutches from great companies like Centerforce, Fidanza, Spec, RAM, and ACT. Turning to automatics, the usual suspects like a C4 or the immensely popular TH400 conversions are plentiful. But what if you wanted to run an overdrive auto transmission in your street car? As power goes up, the reliability factor of the 5R55S goes down, and unfortunately there isn't much that can be done for big power combos.


Photo Gallery: Lentech 4R70W Overdrive Unit - Muscle Mustangs & Fast Fords


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