The Hydra-Matic 8L90 (production code M5U) is a fuel-saving and electronically controlled eight-speed automatic transmission developed and produced by General Motors for use in rear- and rear-biased ...

For years, automakers were reliant on 6-speed transmissions. However, they began to adopt 8-speed replacements, following pressure from the government to meet new environmental regulations. When the 8 ...

General Motors’ chief engineer for transmissions Larry Nitz confirmed to Automotive News what was reported earlier this year: the new Corvette Z06’s 8L90 eight-speed automatic transmission will shift ...

The new GM 8L90 eight-speed automatic, which will also go to work in the 2015 full-size trucks and SUVs equipped with the 6.2-liter V-8, doesn’t hamper the fun one bit. On a road course, taking hot ...

But rest assured it is coming...Almost no matter how awesome a new product is that GM releases, we ask "what's next" almost immediately. When Chevrolet unveiled the 2015 Corvette Z06, everyone ...

As it transitions from GM's 6L80 six-speed automatic to the new 8L90 eight-speed, the 2015 Chevrolet Silverado 1500 with the 6.2-liter V8 engine will maintain its 12,000-pound maximum available ...