Performance Summary:
Cubic Inches: 431 Dyno brand: Stuska
Power Adder: Where dynoed: Dale Meers Racing Engines
Peak Horsepower: 422 @ 5500
Peak Torque: 488 @ 3000
Horsepower and Torque Curves: Yes, they were curved.
Engine Specifications:
Block brand, material, finished bore size, other notes: Factory 428, 4.150". Square decked to 10.160", align honed with ARP main studs/bolts.
Crankshaft brand, cast or forged, stroke, journal size: Factory 428, ground .010"/.010"
Connecting Rods brand, material, center to center distance, end sizes, bolts: Fomoco C7AE-B, 6.490", ARP 13/32" bolts.
Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR: Custom Racetec, 4032, 1.670", 11cc, 1.5/1.5/3mm, 9.7:1
Main Bearings, Rod Bearings, Cam Bearings brand and size: Federal Mogul 125M10, King CR809-010, Durabond F-33
Piston rings brand, size, other notes: Hastings, 1.5/1.5/3mm, standard tension
Oil Pump, pickup, and drive: Melling M57, factory style pickup, Melling drive
Oil pan, windage tray, oil filter adapter: Scott Drake CJ repop, no windage tray, factory Ford oil filter adapter
Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050"): Custom Lykins Motorsports hydraulic flat tappet, 227/229 @ .050",
276/283 advertised, 110 LSA, 103.5 ICL, .532"/.541"
Lifters brand, type: Crower cam saver lifters
Timing chain and timing cover: Ford Racing cast iron double roller, factory timing cover
Cylinder heads brand, material, port and chamber information: Factory C8OE, SI 3/8" valves, no port work, 78.8-79cc chambers
Cylinder head flow in cfm at inches of lift (28" H2O pressure drop):
Intake Exhaust
.100 .100
.200 .200
.300 .300
.400 .400
.500 .500
.600 .600
.700 .700
.800 .800
Flow bench used, location:
Intake valve brand, head size, stem size: SI, 2.09", 3/8"
Exhaust valve brand, head size, stem size: SI, 1.65", 3/8"
Valve springs brand, part number, specs: Comp Cams 972, set up at 1.800". 115/280 spring pressure
Retainers and locks brand, part number, specs: Comp 740, Comp 612
Rocker arm brand, type (adjustable or non-adj), material, ratio: New factory non-adjustable
Rocker shafts and stands, brand, material:
Pushrods brand, type, length: Trend, 5/16" ball on lifter end, 3/8" ball on rocker arm end, 9.500"
Valve covers, brand, type: El-cheapo chrome ones for dyno
Distributor brand, advance curve information: Dyno'd with MSD, 36° total, all-in by 2500
Harmonic balancer brand: Dorman street
Water pump brand, type (mechanical or electric): Driven by electric motor
Intake manifold brand, material, porting information: Fomoco PI intake, no port work
Carburetor(s) brand, type: Holley 750 mechanical secondary, dyno carb
Exhaust manifolds or headers brand, type: Dyno headers