Performance Summary:
Cubic Inches: 465 Dyno brand: Land and Sea Dynomite
Power Adder: Where dynoed: Willard Auto Machine, Omaha, NE
Peak Horsepower: 477 @ 5500 (471 @ 5950)
Peak Torque: 524 @ 4000
Engine Specifications:
Block brand, material, finished bore size, other notes: Factory 428 C scratch 4.175
Crankshaft brand, cast or forged, stroke, journal size: Cast SCAT 4.25
Connecting Rods brand, material, center to center distance, end sizes, bolts: SCAT I-beam 6.70
Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR: Racetec, 4032 Forged, -22 cc, 10:2
Main Bearings, Rod Bearings, Cam Bearings brand and size: Clevite rod and main bearings, Durabond cam bearings
Piston rings brand, size, other notes: Mahle 1mm / 2mm standard tension
Oil Pump, pickup, and drive: Melling M57HV, Milodon pickup, Melling HP drive
Oil pan, windage tray, oil filter adapter: Milodon 31130, factory oil filter adapter
Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050"): Custom Bullocks hyd roller, 235 intake duration / 242 exhaust duration, 114 LSA on 107
Lifters brand, type: Morel standard travel
Timing chain and timing cover: Cloyes 9 position, factory timing cover
Cylinder heads brand, material, port and chamber information: Factory CJ C8OE-N, unported
Valve springs brand, part number, specs: 977-16 Comp 155 closed, 405 open
Rocker arm brand, type (adjustable or non-adj), material, ratio: Harland Sharp Adjustable
Rocker shafts and stands, brand, material: Harland Sharp shafts, Precision Oil Pump stands
Pushrods brand, type, length: Smith Brothers, 3/8 cup, 5/16 ball, non oiling .080 wall , length, 8.400
Valve covers, brand, type: 1970 CJ - baffles removed by owner
Distributor brand, advance curve information: Pertronix 2 billet
Harmonic balancer brand: Factory CJ rebuild
Water pump brand, type (mechanical or electric): Tuff Stuff iron - electric powered on dyno
Intake manifold brand, material, porting information: Blue Thunder CJ - unported
Carburetor(s) brand, type: DOZF-AB CJ Automatic, stock jetting, no spacer, gasket only
Exhaust manifolds or headers brand, type: Dyno headers, 1 7/8 truck, 3 inch collector