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WEBGM Authority is your source for the latest GM news, rumors, reviews and forums. Find out what's new with GM cars and trucks, from Chevy Bolt EV to Tahoe and Suburban.
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 ...
GM 2.7L L3B I-4 Turbo Engine Info, Specs, Wiki | GM Authority
WEBGM 2.7 Liter I-4 Turbo L3B Engine. The GM L3B is a turbocharged gasoline engine produced by General Motors for use in various vehicles, including pickup trucks and cars. Displacing 2.7 liters in ...
GM 3.6 Liter V6 LFX Engine
WEBThe 3.6 liter V6 engine (production code LFX) is a six-cylinder engine produced by General Motors for use in a broad range of vehicles. It is part of GM’s third-generation high-feature V6 engine ...
General Motors Engine Guide, Specs, Info | GM Authority
WEBIn our comprehensive General Motors engines guide, we've compiled information about all of GM's current engine offerings, including specs, pictures and more.
GM 6.2L LT1 V-8 Engine Info, Power, Specs, Wiki - GM Authority
WEBThe 6.2 liter V8 LT1 engine is produced by General Motors for use in performance vehicles and sports cars. It is part of GM’s Gen V Small Block engine family and was first introduced in the C7 ...
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 ...
2022 Chevy Silverado 2.7L Turbo Engine Gets Big Torque Boost
WEBSep 10, 2021 · With the introduction of the 2022 Chevy Silverado, the pickup’s turbocharged 2.7L I4 L3B gasoline engine now produces 420 pound-feet of torque at 1,500 rpm, a 72-pound-feet increase compared to ...
GM 360-Degree Surround Vision Camera Info | GM Authority
WEBSurround Vision Camera, also known as the 360-degree camera, is a General Motors active safety technology that provides the driver with an overhead “bird’s eye” view of the environment ...
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 ...