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WEBGM Authority is a must-read GM Forum for GM news, GM rumors, GM reviews, and information about General Motors cars and trucks.
GM 5.3L V8 L84 Engine Info, Power, Specs, Wiki | GM Authority
WEBComplete information on the GM 5.3L V8 L84 engine, including detailed info, specs, vehicle applications, horsepower, torque, materials, emissions and more.
GM 6-Speed 6T70 M7U Transmission Info, Specs, Wiki - GM …
WEBThe Hydra-Matic 6T70 (MH2, MH4, M7W and M7U) and 6T75 (M7X and M7V) transmissions are part of GM’s family of technically advanced, fuel-saving six-speed automatics designed to optimize ...
2025 GMC Sierra Info, Availability, Price, Specs, Wiki - GM Authority
WEBThe 2025 GMC Sierra brings small rolling model year changes to the Sierra 1500 model (following the refresh for the 2022 (2022.5) model year) and the 2025 Sierra HD – comprised of the Sierra ...
GM 6-Speed 6L90 MYD Transmission Info, Specs, Wiki - GM …
WEBThe Hydra-Matic 6L90 (production code MYD) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain ...
8-Speed GM Transmission Problems Fixed Via New TSB - GM …
WEBAug 13, 2019 — According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and 8L90” eight-speed automatic transmissions ...
Here Are The 2023 Chevy Silverado 1500 Towing Capacities - GM …
WEBNov 12, 2022 — 1. Optional Max Trailering Package (RPO code NHT) 2. ZR2 rated at 6,000 pounds / 2,722 kilograms. Looking over the numbers, we see that the maximum weight a 2023 Silverado can tow is 13,300 pounds ...
GM 6-Speed 6L80 MYC Transmission Info, Specs, Wiki - GM …
WEBInformation about GM's 6-speed 6L80 MYC Hydra-Matic transmission, including details, specifications, vehicle applications, and more.
Here Are The Refreshed 2022 Chevy Silverado 1500 Specs - GM …
WEBNov 16, 2021 — See refreshed 2022 Chevy Silverado 1500 specs, including details for engine, transmission, chassis, suspension, dimensions, towing capacities and more.
GM Duramax Engine Family Info, Specs, Wiki | GM Authority
WEBComplete information, specs, power and torque ratings on the GM Duramax turbo-diesel engines used in GM pickup trucks, SUVs and vans.