In the early 2000s, the Vortec 8100 was geared to give customers with towing and hauling needs an alterative to diesel, and ...

Clickhereto learn more about CASTROL GTX. The General Motors Vortec 8100 V-8 engine was introduced in 2001 fullsize Chevy and GMC pickup trucks, RVs, vans, and SUVs as an alternative to the then ...

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 ...

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 ...

The Vortec 8100 advanced the cause by increasing the stroke of the 454 cubic inch design, boosting displacement to 496 cubic inches (or 8.1 liters). It also made important changes to its ...

Vortec Truck and SUV Variants While the performance car engines carried the LS designation, those designed for trucks and SUVs were given the Vortec name. The biggest difference between the Vortec ...

The cheap and poorly thought-out engineering of the Avalanche's 8.1-liter 330 horsepower Vortec 8100 engine is all too apparent when the entire dashboard has to come apart to fix a simple heater core.

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The General Motors Vortec 8100 V8 was introduced in 2001 fullsize Chevy and GMC pickup trucks, RVs, vans, and SUVs as an alternative to the then-new Duramax diesel for customers seeking maximum ...

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 ...