Items You Need
Chevy Small Block
227 cc Eliminator
Components
- Full CNC Ported Combustion Chambers
- Full CNC Ported Exhaust Ports
- Full CNC Ported Intake Ports
- Competition 5-Angle Valve Job
- Intake Valve, 2.100 in.
- Exhaust Valve, 1.600 in.
- Intake Valve Seats: Ductile Iron 2.200 in. OD, 1.750 in. ID, .375 in. Deep
- Exhaust Valve Seats: Ductile Iron 1.696 in. OD, 1.325 in. ID, .305 in. Deep
- 8 mm Bronze Valve Guides: .502 in. OD x 2.100 in. OAL
Head Specifications
- Requires shaft mount rocker arms for best geometry (.050 in. offset rockers in drag race applications only)
- Head Torque w/Moly Lube: 65-70 ft.-lbs.
- Rocker Stud Torque: 55 ft.-lbs.
- Intake Port Dimension, 2.200 in. x 1.290 in. w/ 5/16 in. radius
- Fel-Pro 375-1206 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket.
- Head Gasket: 350 ci Fel Pro 375-1003, 400 ci Fel Pro 375-1014
- Stud Girdle: Offset
- Spark Plug Starting Range Autolite 3922 (14mm x .750 in. Gasket Seat)
- Combustion Chambers: 65 cc
- Intake Port: 227 cc
- Exhaust Port: 80 cc raised .250 in.
- Spring Pocket: 1.580 OD; Max Machine: 1.680 in. OD
- Deck Thickness: .750 in.
- Valve Spacing: 60/40
- Rocker Arms: Standard
- Valve Angle: 23 Degree
- Angle Mill: .008 in. per 55 cc
- Flat Mill .006 in. per 60 cc
- Flat and Angle mills might require a .120 in. thick head gasket.
- Requires a minimum 4 in. Bore
- Permeter bolt valve cover
Head Flow
Tested conducted at 28 in. of water pressure on Superflow 600 w/ 4.155 in. bore, 3/4 in. radius plate exhaust, 1 7/8 in. curved pipe
Intake:
- .200: 152
- .300: 212
- .400: 260
- .500: 300
- .550: 310
- .600: 316
- .650: 322
- .700: 327
- .750: 329
Exhaust:
- .200: 120
- .300: 160
- .400: 214
- .500: 230
- .550: 234
- .600: 238
- .650: 241
- .700: 243
- .750: 245
Specifications:
Motor Vehicles
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Tools:
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Electrical Cords
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