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6L90E Transmission Specs and Identification

GEARSTAR PERFORMANCE September 9th, 2022 6 minute read

The 6L90E is a high-performance component suitable for handling as much as 700 horsepower. This 6-speed automatic transmission built by General Motors...

GM 6L80E/6L90E Transmission Problems And Performance Upgrades Offered By Gearstar

GearStarAdmin June 2nd, 2020 3 minute read

Starting in the 2006 model year, General Motors released the 6L80E and 6L90E transmissions that developed several issues that tend to frustrate transmission...

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