Rebuilt Chevy, Ford, and Dodge Automatic Transmissions

Index   The 6L80 transmission is a 6 speed automatic transmission with manual shift capabilities varying between specific applications. The 6L80 was introduced in 2006 behind the 6.0L corvette engine, it was adopted in 2007 by the silverado.

The 6L80 is controlled by a control solenoid body, this replaces the previos transmission control element the valve body, and the TCM assembly (Transmission Control Module) both located in the pan of the transmission. The 6L80 offers adaptive shift technology, adjusting factory presets to deliver optimum shift quality.

Currently their are three different bellhouse configurations, the Corvette style, the Chevy/GMC pick up style, and the Cadillac STSV/XLRV. These transmissions will not interchange because the pump is attached to the bellhouse.

This transmission also has a lip seal located in the bearing, so replacing bearings, is an important procedure. The nuetral safety switch is also located in the pan so transmission entry is now required.

1st gear ratio is   4.027:1

2nd gear ratio is  2.363:1

3rd gear ratio is  1.532:1

4th gear ratio is  1.152:1

5th gear ratio is    .852:1

6th gear ratio is    .667:1

Dexron VI is required. 10-12 Qts depending on application.

weight: 222lbs

max gearbox torque: 664lb.-ft. 

Index

The Chevy 6L80 is available in the 06up vette and the silverado after 07.