GM Authority - GM News, GM Forums, GM Rumors, GM Reviews
WEBGM Authority is a must-read for GM news, GM rumors, GM reviews, and information about General Motors vehicles. We also invite you to join other enthusiasts and fans in discussing The General in ...
GM 5.3L V8 L84 Engine Info, Power, Specs, Wiki | GM Authority
WEBGM 5.3 Liter V8 EcoTec3 L84 Engine. The L84 is a 5.3 liter, eight-cylinder engine from General Motors used in pickup trucks and SUVs. Featuring an OverHead Valve (OHV), or “push-rod” design ...
Here Are The 2023 Chevy Silverado 1500 Towing Capacities - GM …
WEBNov 12, 2022 · 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 with a ball hitch and either the 6.2L V8 L87 or 3.0L ...
GM Duramax 3.0L LM2 I-6 Diesel Engine Info, Specs, Wiki
WEBThe GM Duramax 3.0L I-6 LM2 is a turbo-diesel engine produced by General Motors for use in various vehicles, primarily full-size half-ton pickup trucks and full-size SUVs. Colloquially known as ...
OnStar Plans & Pricing - GM Authority
WEBTo cancel at any time call 877-865-7864 or by accessing your account online. Auto Renewal Payments: monthly charges will automatically be billed to credit card on file on day 30 unless cancelled ...
GM 6-Speed 6L80 MYC Transmission Info, Specs, Wiki - GM …
WEBGM 6-Speed 6L80 MYC Hydra-Matic Automatic Transmission. The Hydra-Matic 6L80 (production code MYC) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased ...
2025 GMC Sierra Info, Availability, Price, Specs, Wiki - GM Authority
WEB2025 GMC Sierra. The 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 ...
GM Duramax Engine Family Info, Specs, Wiki | GM Authority
WEBFrom what we know, one Duramax engine was developed but was never put into production. Developed entirely in-house by GM and assigned RPO Code LMK, the engine displaced 4.5 liters from a V8 layout ...
General Motors Engine Guide, Specs, Info | GM Authority
WEBGM Northstar 4.6 Liter V8 L37 Engine. GM TurboMax Engine. GM V8 Small Block LTX Crate Engine. GM-Cadillac 3.0 Liter Twin Turbo V6 LGW Engine. Sponsored. In our comprehensive General Motors engines ...
GM 5.3 Liter V8 EcoTec3 L83 Engine - GM Authority
WEBThe new 5.3L V-8 is SAE-certified at 355 horsepower (250 kW) and 383 lb.-ft. of torque (519 Nm). With EPA-estimated fuel economy of 23 mpg highway (2WD), it offers the best fuel economy of any V-8 ...