While it's not the most famous engine Chevrolet ever made, the 4.3L V6 powered several of its best cars for 30 years and continues to be an influence today.

The LS and Vortec engines are well-known to be under the hood of GM models, but there are key differences between them. Here's what you need to know.

Read the tech article on Chevrolet's Vortec 4200 Inline-Six Engine, brought to you by the experts at Chevy High Performance Magazine ...

On the oily bits front, the 4.8-liter Vortec V8 (L20) is no longer available. The replacement is a naturally aspirated V6 (LV1 V6) that develops 265 horsepower and 295 pound-feet at 4,000 rpm.

We test the 2014 GMC Sierra equipped with the base 4.3L EcoTec3 V6 engine, rated at 285 hp and 305 lb-ft of torque while achieving 18 mpg city, 24 mpg highway.

Read the Chevy Hi-Performance tech article on every street style vortec you can buy.

GM's 5.3-liter Vortec doesn't have the LS' performance reputation, but it's a capable small-block V8 all the same, as its ...

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 ...

At launch, the half-ton pickup was available with five powerplants, starting with a 4.3-liter Vortec V6. The Chevrolet C/K listed by Cruisin’ Classics for $29,495 is more special because of the ...