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.

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 4.2-liter Vortec came and went with the GMT360 platform encompassing the 2002 to 2009 model years. While GM-designed, the engine's popularity earned it a place in other manufacturers' lineups.

Beginning in '87, GM incorporated some of the Vortec technology in the V-8 cylinder heads used on throttle body fuel-injected engines. - Street Rodder Magazine ...