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Tag: Sierra 8-speed
Construction Equipment
GM makes 8-speed automatic transmission standard on 2015 Chevrolet Silverado, GMC Sierra
Chevrolet and GMC have confirmed a new eight-speed automatic transmission will be standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L EcoTec3 V-8. The GM-developed Hydra-Matic 8L90 eight-speed is approximately the same size and weight as the Hydra-Matic 6L80 six-speed automatic. Its 7.0 overall gear ratio […]
July 21, 2014
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