Building COPO 327 4.0L Supercharged 550HP Engine

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Published on November 30, 2016 11:51:53 PM ● Video Link: https://www.youtube.com/watch?v=J0LUoX73hdo

Duration: 2:37

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COPO 327-4.0L Supercharged 550 HP

The most powerful supercharged COPO crate engine is designed for NHRA’s A Super Stock class and uses a large, 4.0L compressor to generate tremendous horsepower. Its foundation is the sturdy LSX cylinder block, with a tough, all-forged rotating assembly and the big-displacement Whipple blower.
Like the other COPO crate engines, this one uses the high-flow LS7 heads to move as much air as possible.

SPECS
Displacement: 327 cu in (5.3L)
Compression Ratio: 10.2:1
Cylinder Block: LSX cast iron
Bore x Stroke (in): 4.065 x 3.150
Crankshaft: forged steel
Connecting Rods: forged steel
Pistons: forged dome
Cylinder Heads: LS7 aluminum
Induction: boosted
Supercharger: 4.0L Whipple
Camshaft Type: hydraulic roller
Camshaft Lift (int./exh.): .650/.650-inch
Camshaft Duration (int./exh.) 244/255 deg. @.050-inch

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