406 ci = 427 hp

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406 CI = 427 HP

Chevy Engine Build

Engine = 406ci, 4.155x3.75

Power = 427 hp @ 5,100

Compression = 9.5:1

Ignition Timing = 35 Degrees

Block = Factory 400

Crankshaft = Scat cast iron

Rods = Scat 4340 I-Beam

Pistons & Rings = Probe forged dished, Total seal 1/16-inch

Oil Pan & Pump = Stock 4-quart & stock pump

Camshaft = Lunati flat tappet hydraulic 230/230 @ 0.050, 0.455/0.455-inch, 114 lobe seperation

Rocker Arms = 1.5:1 Harlan Sharp

Heads = Stock Iron Vortec

Valve Sizes = 1.94/ 1.50- inch

Intake Manifold = Edelbrock RPM Air Gap Vortec

Carburetor = HP 750 cfm Holley

Ignition = HEI

Headers = 1 5/8 - inch Hedman w/2 1/2 - inch exhaust