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SDPC Supercharged 426 ci Hemi V8 Makes 1400+ hp on the Dyno

SDPC supercharged 426 ci Hemi V8 on the dyno

Scoggin-Dickey Parts Center (SDPC) wanted to test a supercharged 426 ci (6.9L) Hemi V8 on the dyno using MS109 race fuel. The motor features a Dart block, Callies crank and rods, SDPC/Wiseco pistons, and SDPC Spicy Special camshaft. The camshaft has 234°/248° duration and 0.615-in/0.618-in lift. On top of the motor is a 130 mm throttle body and 3.8 L Whipple supercharger. The motor made 1281 hp and 1100 lb-ft of torque with a 4.125-inch top pulley making 16.9 psi of boost. It made 1344 hp and 1181 lb-ft with a 3.75-inch top pulley making 19.6 psi of boost. It made 1404 hp and 1354 lb-ft with 3.00-inch top pulley making 25.4 psi of boost. However the 3.00-inch pulley resulted in belt slipping. Watch the testing in the video below.

SDPC supercharged 426 ci Hemi V8 on the dyno

SDPC supercharged 426 ci Hemi V8 on the dyno

Source: Scoggin-Dickey Parts Center

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