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9. GM 10L80 Automatic

GM 10L80, FORD 10R80 10 SPEED TRANSMISSION

10L80, 10R80 10 SPEED AUTOMATIC TRANSMISSIONS

The 10R80/10L80 10 speed automatic transmission is the result of a collaboration between Ford Motor Company and General Motors. Ford refers to the transmission as the "10R80", while GM has designated it the Hydra-Matic 10L80. Looking at the GM and Ford versions of the transmissions, they are physically identical; the primary differences between the two variants lies in the electronic controls, which are closely integrated with each manufacturer's respective powertrain options.

Physically, the 10R80 and 10L80 transmissions are of equal size and weight. The 10R80/10L80 boasts extremely quick shifts. GM first used the 10L80 in the 2017 Chevrolet Camaro ZL1, which features a 650 horsepower, supercharged V-8. Ford first installed the transmission in its second generation, EcoBoost Ford Raptor. For 2018, GM introduced the 10L80 to a variety of applications. Likewise, the 10R80 is standard on all Ford F-150 models with the 2.7L EcoBoost, 3.5L EcoBoost, and 5.0L Modular V-8. The 10R80 is also featured behind the 3.0L Power Stroke V-6 in F-150 models.

Small gear steps and sophisticated shift strategies are what make the 10-speed transmission an attractive option. A deep 4.70 to 1 reduction in 1st gear contributes to increased off-idle performance and compensates for taller, more efficient ring and pinion combinations. Furthermore, the transmission features three separate overdrive ratios to choose from, maximizing fuel economy while cruising in both highway and city driving conditions.

Gear Ratios

First:4.700

Second:2.990

Third:2.150

Fourth:1.800

Fifth:1.520

Sixth:1.280

Seventh:1.000

Eighth:0.850

ninth:0.690

tenth:0.640

Reverse:4.870

The General Motors Hydra-Matic 10-speed 10L80 automatic transmissions is a heavy duty, high performance transmission.

  • 10 forward gears
  • L, for longitudinal placement within the vehicle’s powertrain system
  • 80, for the robustness level of the transmission (a higher number means that it is capable of handling more power.
  • Vehicles equipped with the 10L80 transmission benefit from higher fuel economy and performance.
  • The improved performance is the result of smaller steps between each ratio, maximizing engine power under acceleration, while a wide 7.39 overall gear ratio spread and a lower numerical top gear ratio results in improved efficiency by reducing engine revolutions at highway speeds.
  • Adapting this transmission up to an Atlas use AS-8603 .750” long. This adapter allows for proper shaft engagement and proper rotation options. The Atlas should be ordered as a GM unit, not the standard version.