Aluminum 427 Results


SPECIFICATIONS:
ENGINE BLOCK: Motown 9.025” deck height 4-bolt main
CRANKSHAFT: Eagle 4340 forged steel 3.875” stroke (415 engine) 4.00” stroke (427 engine)
CONNECTING RODS: Eagle 6.00”
PISTONS: JE/SRP forged 4.125” bore
COMPRESSION RATIO: 9.5 to 1 (415 engine) 10.0 to 1 (427 engine)
PISTON RINGS: Speed-Pro
BEARINGS: Clevite H series
CAMSHAFT: Hydraulic-Duration @ .050 is 244 intake & 252 exhaust. Lift .515 intake & .525 exhaust. Centerline is 112
CYLINDER HEADS: Motown Aluminum or Cast Iron 220
VALVES: 2.08” x 1.600” Manley valves: Severe Duty intake & exhaust
ROCKER ARMS: 1.5:1 ratio roller rockers (Aluminum heads utilize a .150 offset intake rocker)
INTAKE MANIFOLD: Motown 4150
CARBURETOR: Hardcore 870 cfm. Hi flow 4150 style carburetor
IGNITION: Hardcore HEI distributor, Taylor Motown 8mm ignition wire, Accel spark plugs (276 for iron heads and 416 for aluminum heads) gapped @ .035
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