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

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 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 ...