What Year Did Chevy Start Using 6 Speed Transmission

The Hydra-Matic 6L80 production code MYC is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased.

What year did chevy start using 6 speed transmission. Long story short GM needs to do away with the 8-speed and replace it with the much-improved 10-speed automatic. ALL 06s have the 6 speed regardless of being an LLY or LBZ. It was smooth spaced right and made the most of the unremarkable pushrod motor.

Because of production quality issues no Corvettes were produced in 1983. In fact GM was recently slapped with a class action lawsuit over the. So far this transmisison has appeared only in conjunction with high-horsepower engines such as the 420.

5 Oct 15 2009. GM 6-Speed 6L80 MYC Hydra-Matic Automatic Transmission. Psychological disciplines Post navigation.

Has non-synchro 1st and a barrel type 23 assembly. I later found out it was sourced from Aisin. Cast iron case and extension housing with 4-bolt side cover.

The wheelbase held firm at 130 inches. Another Thousand Pounds. According to the suit each of the named vehicles has one of two eight-speed automatic transmissions made by GM the GM 8L90 or the GM 8L45.

But GM is planning on expanding the use of the 10-speed to four more vehicles in 2018. An all-new engine is coming to the new GM HD pickups with reports suggesting it will be a 66-liter V8 engine codenamed LXX expected to produce 400 hp and 450 lb-ft of torque. Because of the increased capability from the HydraMatic 6L80 six-speed auto transmission the Silverado 1500 Crew Cab gained more than 1000 pounds of towing capacity when turned by the 53 Vortec flex-fuel-capable engine.