Information about GM's 6-speed 6T70 M7U Hydra-Matic transmission, including details, specifications, vehicle applications, and more.

The 700R4's 30 percent overdrive ratio of 0.69:1 was a notable improvement from the TH350's direct-drive third gear, allowing the new transmission to keep rpm down while cruising on the interstate ...

GM Automatic Transmission Gear Ratio Chart. Take a GM TH700-R4 four-speed transmission, load it with upgrades, and you'll have a JET T-700. Highly modified for performance use, JET's T-700 is a ...

Eighth and ninth gears are both overdrives. GM holds 60 patents on systems in the transmission. The transmission is already on 2017 Chevrolet Malibu midsize sedans with 2.0-liter turbocharged engines.

Tenth gear in the 10R80 transmission has an overdrive ratio of 0.636. Ninth is 0.689. That’s a drop of only eight percent, making for a nearly imperceptible 10-to-9 downshift when needed.

General Motor's 10-speed gearbox, is an all-new design – and the first-ever application in a car – with a wider, 7.39 overall gear-ratio spread, that enables the new Camaro ZL1’s ...