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2019 Corvette ZR1 with the Automatic Gearbox Makes 654rwhp

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  • 2019 Corvette ZR1 with the Automatic Gearbox Makes 654rwhp

    The folks at Hennessey Performance have published a video of the 2019 Chevrolet Corvette ZR1 with the automatic transmission working out on the dyno in stock form and the numbers are pretty solid, with the 755-horsepower LT5 sending 654 horsepower to the rear wheels – a loss of about 13% between the crankshaft and the wheels.

    A few months back, we brought you a look at the 2019 Chevrolet Corvette ZR1 on a dyno, making 668 rear wheel horsepower with the help of the standard manual transmission. This time, we bring you a look at a new ZR1 with the automatic transmission making a baseline run on the dyno, making just 14 less horsepower than the slightly more-efficient manual gearbox.

    ZR1 Auto Dyno
    The 2019 Chevrolet Corvette ZR1 is powered by the new supercharged LT5 V8 with 755 horsepower and 715 lb-ft of torque. That power is sent to the rear wheels by means of a standard 7-speed manual transmission or an optional 8-speed automatic transmission. The automatic offers better performance numbers, but manual transmissions are generally more efficient, leading to great wheel horsepower figures.
    The folks at Hennessey Performance have published a video of the 2019 Chevrolet Corvette ZR1 with the automatic transmission working out on the dyno in stock form and the numbers are pretty solid, with the 755-horsepower LT5 sending 654 horsepower to the rear wheels – a loss of about 13% between the crankshaft and the wheels.

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