Katech has released a few new goodies for fifth-generation GM small blocks, including the 5.3-liter EcoTec3 L83, the 6.2-liter EcoTec3 L86, the 6.2-liter naturally aspirated LT1, and the 6.2-liter ...

A 427 engine is nearly as synonymous with the Corvette as fiberglass. Decades ago, a variety of 427s powered the most powerful models of the factory supercar era, while in the past decade or so, the ...

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 ...

Times have changed, and so has Clinton Township-based Katech Inc., which was founded in 1977 to do high-performance engine design and building as well as prototyping and testing. Racing was the ...