Customer reports not only rave about the capability of the vehicles with the Vortec 8100 under the hood, which included ...

But the real magic happens under the hood, where the power now comes from a 5.3-liter V8 Vortec engine paired with a 4-speed automatic transmission. The 5.3-liter V8 Vortec was used by General ...

However, the truck variants of the Gen III small block, often referred to as "Vortec" engines, are just as formidable in truck applications. The LQ9, sometimes called the Vortec HO 6000 ...

The Vortec 8.1 (also known as the Vortec 8100 or ... The result was 340 horsepower and 455 lb-ft of torque under the hood of 2500/3500 trucks and 2500 chassis Avalanches, Yukons, and Suburbans.

But not everyone is hooked on the good ole LS swap. The owner of this 1962 Studebaker Lark went with the more mundane Vortec 4200 and the results are amazing. I say "mundane" because the Vortec ...

In the first installment, I'll talk about one engine that doesn't get nearly enough credit: the Vortec 4200 inline-six found under the hood of the Chevrolet Trailblazer. Nobody looks at the now ...

See All 2 Photos General Motors' (owner of the Hummer's civilian marketing rights) Vortec 8.1L/340-hp V-8 gas engine fits well under the H1's considerable hood. It's a natural application ...

They're also popular platforms for LS or Vortec Swaps and with a cavernous engine bay, featuring tons of hood clearance, fitting an LS (or LT if you're fat with cash) is even easier than it is ...

See All 2 Photos General Motors' (owner of the Hummer's civilian marketing rights) Vortec 8.1L/340-hp V-8 gas engine fits well under the H1's considerable hood. It's a natural application ...