Complete information about GM's V8 engine - the 5.3L V8 EcoTec3 L83 - including detailed info and specifications, vehicle applications, and more.

Information about GM's 5.3L V8 Vortec engine used in the Chevrolet Tahoe/Suburban and GMC Yukon/Yukon XL, including specs, vehicle applications, and more.

Everything You Need to Know About LS, LSX, and Vortec Engines: Specs, History, Swaps, and More. ... This crate engine is rated at 533 hp and 477 lb-ft of torque. Steven Rupp.

The lawsuit over the 5.3-liter Vortec V8 was limited to engines from 2010 to 2014, with that last year marking the introduction of the Vortec's replacement, the 5.3-liter EcoTec3 V8.