LT Engine Swap In Stielow's “Gunner” Camaro

Part 5: In goes the supercharged LT4

- Barry Kluczyk

Mark Stielow’s Camaros have always been on the leading edge of the latest high-tech horsepower movements, and his latest project, Gunner, is no exception. He’s jumped headlong into the emerging LT swap trend, using a Scoggin-Dickey Parts Center-supplied Chevrolet Performance LT4 crate engine.

It’s the engine, of course, that powers the current-generation Corvette Z06 and Camaro ZL1. With a little more than 9 psi of boost generated from an Eaton 1.7L R1740 TVS supercharger spinning at up to 20,000 rpm, the LT4 cranks out an impressive 650 horsepower and 650 lb-ft of torque.

“I’ve always liked the immediate power delivery that comes with supercharging, and the LT4 is a great engine in that regard, with a broad power band and tremendous low-end punch,” says Stielow. “Considering the technology and performance wrapped up in the crate engine, it would be virtually impossible to build something comparable from the ground up, making it a cost-effective and time-saving choice.”