Back in 2019, Michigan-based performance shop Katech released a video showing it boosting the supercharged 6.2L LT5 V8 engine from the C7 Corvette ZR1 to over 1,000 horsepower with relatively minor ...

With the C6 ZR1, a new threshold of factory performance was achieved with its supercharged LS9 engine. Rated at 638 horsepower, it was the highest-output engine in a regular-production Corvette until ...

Michigan-based tuner Katech Performance is very well-known for its Chevy Corvette and Camaro engine upgrade programs, but owners of full-size General Motors SUVs like the Chevy Tahoe and GMC Yukon can ...

Steven Pallotta might look like the type of senior citizen who’d enjoy his senior years in a Lexus or Mercedes-Benz. But this man chose the Camaro ZL1 1LE as his weekend warrior, the most powerful and ...

From the factory, Chevrolet's supercharged 6.2-liter LT5 crate engine—used in the C7 Corvette ZR1—makes 755 horsepower. If that's just not enough for you, Katech Performance, the same folks ...

Chevrolet’s LT5 V8 engine is a beast out of the box out of the crate but expert GM engine builder Katech has just announced a heavily-modified version of the engine it dubs the ‘Track Attack.’ As ...

Katech takes your stock standard General Motors machine and turns it into something you should be afraid to drive. Or at least, you should have some semblance of skills before taking to the wheel.

The guys and gals at Katech have a new Stage 4 package for the C7 Chevrolet Corvette Z06, and new video from the company shows exactly what goes into building the monster engine capable of delivering ...

The face of Cadillac has changed. For those of you sleeping under a rock for the last two years, that means performance is back in a big way. The go-fast gurus within GM's Performance Division have ...