The Dodge Challenger Super Stock Concept built for SEMA 2006 appears to have been largely a pre-production prototype, with one major exception: the use of a 392 cubic inch Hemi engine, available for racing from Mopar Performance. Created in that particular size to commemorate the original 392 Hemi engine, the new “crate 392” comes three ways: with a carburetor and projected 540 horsepower and 490 ft-lbs. of torque; with electronic fuel injection, producing 525 horsepower and 510 ft-lbs. of torque (more than the Viper V10); and with a long block.
Originally appearing in 1956 (for the 1957 model year), the 392 Hemi was the first of the legendary V8s to be designed for full power; it replaced the just-for-model-year-1956 354 Hemi, and had much larger valves and ports, a heavier block and crank, and better bearings, making it good for drag racing. It was only for Chryslers and Imperials but ended up in many others after leaving the factory. The heavy duty construction allowed racers to bolt on six or eight carburetors, use a hot cam, and go “on the bottle” with nitro; Don Garlits’ 392-powered Swamp Rat made a record of over 180 mph on nitro (without a supercharger), and was the first to break the 200 mph barrier in 1964 with another 392 engine. Stock, the 392 Hemi was rated at a beastly 375 horsepower - albeit gross horsepower, with net power most likely similar to or lower than the current 5.7 liter Hemi engine. But that was fifty years ago, long before computer controls or modern metallurgy and precision manufacturing.
To help celebrate the 50th anniversary of the legendary engine, Mopar is launching a new 392 HEMI crate motor, built with new components; it is a complete engine assembly from the throttle body to the oil pan, and cranks out 525 horsepower in it most potent form.
Three different versions of the new 392 are available from Mopar:
Technical specifications include:
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