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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 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 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 ...
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 ...
GM 5.7L V8 LS1 Engine Info, Power, Specs, Wiki - GM Authority
WEBThe LS1 5.7L uses 5W30. : within the Gen III block is a durable rotating assembly that includes a cat iron crankshaft and 6.098-inch-long, powder-metal connecting rods, as well as M142 ...
OnStar Basic Plan Info & Price - 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 4.3 Liter V6 EcoTec3 LV3 Engine - GM Authority
WEBThe EcoTec3 lineup consists of the following powerplants: 4.3L V6 LV3 (this engine) 5.3L V8 L83. 6.2L V8 L86. All three engines are mated with proven, efficient six-speed transmissions in the ...
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 Introduces New Extended Limited Warranty - GM …
WEBJun 6, 2021 · 72 months/70,000 miles. The standard warranty lasts for 36 months or 36,000 miles (whichever occurs first) for all Chevy and GMC vehicles, and for Buick models from the 2020 model year onwards ...
myChevrolet Mobile App Information - GM Authority
WEBmyChevrolet Mobile App. myChevrolet is a mobile app that provides remote vehicle access and information for Chevrolet vehicles. Remote Access Features. Remote vehicle start *. Door lock/unlock ...