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2015 Corvette Stingray to offer new eight-speed automatic; 5% improvement in fuel economy

Green Car Congress

The available 8L90 transmission is based on the same eight-speed automatic that will be offered on the supercharged 2015 Corvette Z06, but with unique clutch and torque converter specifications matched to the torque capacity of the Stingray’s LT1 6.2L The 8L90 is built at GM’s Toledo, Ohio, transmission facility. New 8L90 8-speed.

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New EV electric car calendar

EV Central

Audi e-Tron GT – the BEV guts of the regular e-Tron (also shared with Porsche’s Taycan) in a coupe-inspired four-door body. Lordstown Endurance EV – to be built in an ex-GM factory in Ohio the new hulking double cab ute runs only on electricity and brings big grunt. Look out Porsche Macan! Audi RS e-Tron GT.

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Details on GM’s new efficient top-end 8-speed automatic

Green Car Congress

The resultant on-axis transmission architecture utilizes a squashed torque converter; an off-axis pump; and four close-coupled gearsets. seconds, all while delivering wide-open-throttle upshifts quicker than those of the dual-clutch transmission offered in the Porsche 911. l/100 km) EPA highway estimate—a 3.5% axle ratio.

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