Performance Summary:
Cubic Inches: 429 Dyno brand:
Power Adder: Nope Where dynoed:
Peak Horsepower: 435 @ 5250
Peak Torque: 482 @ 3000
Horsepower and Torque Curves:
Engine Specifications:
Block brand, material, finished bore size, other notes: Factory 428CJ, 4.140", 10.150", ARP main bolts
Crankshaft brand, cast or forged, stroke, journal size: Factory 428, .010"/.010"
Connecting Rods brand, material, center to center distance, end sizes, bolts: Scat H-beam, 6.490"
Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR: Racetec, 4032, 9.5:1
Main Bearings, Rod Bearings, Cam Bearings brand and size: Federal Mogul 125M10, 8-7170CH10 (Calico coated), Durabond F-33
Piston rings brand, size, other notes: Total Seal 1.5/1.5/3mm
Oil Pump, pickup, and drive: Melling M57 standard volume, Melling drive
Oil pan, windage tray, oil filter adapter: Canton rear sump oil pan, no tray, repop CJ adapter
Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050"): Lykins Motorsports hydraulic roller,
227/235 @ .050", .600"/.612", 112/106
Lifters brand, type: Morel
Timing chain and timing cover: Cloyes billet, factory
Cylinder heads brand, material, port and chamber information: C8OE-N, SI 11/32" valves, 2.09/1.65, bronze valve guides
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 11/32", 2.09"
Exhaust valve brand, head size, stem size: SI 11/32", 1.65"
Valve springs brand, part number, specs: Comp Cams 914, 160 seat, 380 open
Retainers and locks brand, part number, specs: Comp 740
Rocker arm brand, type (adjustable or non-adj), material, ratio: Lykins Motorsports non-adjustable roller tip, 1.76
Rocker shafts and stands, brand, material: Sealed Power, POP stands/spacers
Pushrods brand, type, length: Trend, 5/16", .080", all different lengths.
Valve covers, brand, type: FMS Cobra Lemans, polished
Distributor brand, advance curve information: MSD, all in by 2800, steel gear
Harmonic balancer brand: Powerbond
Water pump brand, type (mechanical or electric): Edelbrock
Intake manifold brand, material, porting information: Edelbrock Performer RPM, divider cut down and shaped
Carburetor(s) brand, type: Quick Fuel HR-780
Exhaust manifolds or headers brand, type: 2" dyno headers
