What Year Did Chevy Start Using 6 Speed Transmission

The wheelbase held firm at 130 inches.

What year did chevy start using 6 speed transmission. So far this transmisison has appeared only in conjunction with high-horsepower engines such as the 420. Advantages of the new 6L90 transmission include improved fuel economy performance and handling. Cast iron case and extension housing with 4-bolt side cover.

To get to the high tow rating our test model had a heavy duty cooling system. Units from 1940-54 have enclosed driveline otherwise known as a torque tube. Joined Apr 9 2008.

Those from 1955-68 may have electric overdrive. When did Chevy start using the 4L80E transmission. I later found out it was sourced from Aisin.

In fact GM was recently slapped with a class action lawsuit over the. ALL 06s have the 6 speed regardless of being an LLY or LBZ. Transmission options were a 4-speed 4L60E automatic 1500 only standard from 2007 2009 4-speed 4L80E automatic 2500 only standard 2007 only 6-speed 6L80 automatic 1500 only optional in 2009 standard from 2010 2014 and a 6-speed 6L90 automatic 2500 only standard from 2008 2013.

My information is that 2009 was the first year for the 6 speed. A year later it was announced that the 2018 Chevrolet Tahoe with the Performance Package will also use the transmission. GM 6-Speed 6L80 MYC Hydra-Matic Automatic 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. The new 6L90 six-speed electronically controlled automatic transmission is standard in the all new 2007 GMC Sierra and Chevrolet Silverado heavy-duty pickups. The ST10s production in GM vehicles was from 1974 to 1988.