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Chevy Debuts Supercharged LT4 Crate Motor in 1970 Camaro RS

Blower In The Wind: A SEMA Supercharger

John Gilbert Nov 4, 2015
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It’s SEMA time, and as they used to say in the world of rock-n-roll the hits from our friends at Chevrolet Performance, “just keep coming.” Adding the 650hp supercharged LT4 crate engine to the 2016 Chevrolet Performance parts catalog is today’s major SEMA announcement and it compliments the recent revelation of the ZZ6 we reported on last month.

To welcome the new crate to the world of Bow Tie Muscle, Chevrolet Performance dropped a new LT4 crate motor into a 1970 Camaro RS to showcase what can be done with such a beast.

As the supercharged 6.2L heart of the Corvette Z06, the LT4 is rated at 650 horsepower and 650 lb-ft of torque, making it the most powerful production-vehicle engine ever from General Motors. The new crate engine – offered in dry-sump and wet-sump versions – allows builders to use the high-tech performance engine in their hot rod projects.

The 1970 Camaro RS concept uses the wet-sump kit with a traditional oil pan along with complementing air conditioning and front-end accessory drive kits.

SEMA 2015 LT4 Crate Motor In 1970 Camaro RS Fact Sheet 2/3

“[Chevrolet] pioneered the concept of high-performance crate engines and the LT4 represents a new threshold in technologically advanced, production-based choices for builders,” said Jim Campbell, Chevrolet U.S. vice president of Performance Vehicles and Motorsports. “Whether it’s in a classic Camaro, like this resto-mod concept, or a vintage truck or street rod, the possibilities are almost endless – and that’s exactly how we continue to fuel the dreams of enthusiasts.”

In addition to the LT4 crate engine, the Camaro features a T-56 Super Magnum six-speed manual transmission (after market availability of the eight-speed automatic transmission hasn’t been mentioned).

To harness the power of the supercharged powertrain, the ’70 Camaro’s chassis and suspension systems have been upgraded with an independent front suspension with coil-overs and a rack-and-pinion steering system, as well as a four-link rear suspension, also with coil-overs. It rides on a set of 19-inch polished aluminum wheels and stops with the assistance of Corvette Z06-based front and rear disc brake kits developed as upgrades for the Stingray.

SEMA 2015 LT4 Crate Motor In 1970 Camaro RS Taillights 3/3

A blend of design cues inspired by the all-new 2016 Camaro complement the contemporary powertrain that drives the vintage muscle car, starting with the Hyper Blue Metallic exterior color, one of the available colors on the Gen Six Camaro, and it’s accented with white rally stripes – just like the 2016 Camaro Hyper concept on display at the SEMA Show.

The exterior also features LED headlamps and taillamps, as additional nods to 21st century technology.

Inside, the black, stock-appearing interior features custom-trimmed seats from a third-generation Camaro and a custom instrument cluster with new gauges that work with the powertrain’s electronic systems. The instrument panel itself is wrapped in custom-trimmed leather. There’s also a six-point roll cage for added protection, fit for the insane speeds that 650-horsepower crate engine is capable of achieving.



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