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GM 5.3-Liter Vortec Engine: How Much Horsepower And Torque Does It Produce?

General Motors introduced the 5.3-liter Vortec V8 back in 1999 and kept it in production for 15 years. Over that time, it became one of the most popular small-block engines in GM's lineup, offering ...
GM Authority

GM 5.3L Liter V8 Vortec LMG Engine

The Vortec 5.3L V8 LMG was an engine produced by General Motors for full-size SUVs. Displacing 5.3 liters in a V8 configuration, the LMG was part of the Vortec (Generation IV Small Block) engine ...
GM Authority

GM 5.3 Liter V8 EcoTec3 L83 Engine

The GM L83 V8 engine is used in pickup trucks and SUVs. It is part of GM's Gen V Small Block engine design that's known in trucks as EcoTec3, replacing the Vortec line. "We believe these are the most ...
Hot Rod

Budget Aluminum 5.3-Liter Vortec Makes 491 HP and 445 FT-LBS on the Dyno

When does "just a little bit more" become too much of a good thing? The answer is that it occurs a lot sooner than most hot-rodders think. We're not sure when it happened, but at some point an engine ...