Originally developed for the 2015 Corvette Z06, GM’s Hydra-Matic 8L90 eight-speed auto trickled to the normal 2015 Corvette and the 2015 Cadillac Escalade. Designed to be mated exclusively to the 6.2 ...
General Motors is confident its new 8L90 eight-speed transmission, which will debut in the 2015 Corvette Z06, will be the final piece of the puzzle that will edge the Corvette into an EPA-certified 30 ...
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