Yes, I'm talking about GM's 5.3-liter Vortec V8, an evolution of those classic Chevrolet mills that added a then-new "vortex technology" in the mid-1990s. The idea was to better mix air and fuel ...

Chevy's Vortec 8100 — AKA the L18, AKA the Vortec 8.1 — was the last of The General's big block V8s, a line of engines that traced its lineage clear back to the fire-breathing muscle cars of ...

The early 2000s was a testimony to the phrase "there's no replacement for displacement." It was when American titans (like Ford, GM, and Dodge) had gasoline V8s with a displacement of 7.0 liters ...

It’s known by several names: The LL8, Vortec 4200, or more colloquially, the Ameri-Barra. The latter draws on a comparison to the mighty Barra I6 that Ford sold for years in Australia.

With 50-plus years of development behind them, big displacement engines like General Motors' 8.1-liter Vortec V8 and Dodge's 8.0-liter Magnum V10 were two of the largest engines ever placed in ...

GM Vortec 8100 Is The Most Reliable With the Big-Block V8 Engine Ever Made (Via Chevrolet) The GM Vortec 8100 is the most reliable big-block V8 engine ever made. It has 340 horsepower and 455 lb-ft of ...

8 Dec 2021, 06:09 UTC · By: Benny Kirk / The cheap and poorly thought out engineering of the Avalanche's 8.1 liter 330 horsepower Vortec 8100 engine is all too apparent.

The Vortec 8.1 (also known as the Vortec 8100 or 496) stayed in production for heavy-duty GM vehicles all the way until 2007. As you might imagine, they weren't the most efficient engines out ...

Eric from I Do Cars recently got his hands on a locked-up 496ci Vortec 8100, the replacement for the 454 Vortec 7400, to see what could kill this reliable power unit. Making 340 horsepower and 450 ...