VITAL SPECS
Bore:4.250-inch
Stroke:4.480-inch
Displacement:509 cubic Inches
Compression Ratio:11.5:1
Camshaft:COMP, Solid Roller
Cam Duration:259/260-degree @ 0.050-inch tappet rise
Cam Lift:0.828/0.782-inch
Rocker Ratio:1.8:1/1.7:1
Lobe Separation:108-degree
Installed Centerline:106-degree
Top Ring:SpeedPro, moly, 0.043-inch
Top Ring Gap:0.022-inch
Second Ring:SpeedPro, tapered face, 0.043-inch
Second Ring Gap:0.028-inch
Oil Ring:3mm
Piston:CP dome; 0.927-inch pin
Gas Ports:15, vertical
Quench Clearance:0.032-inch
Block:Dart, iron
Crankshaft:Sonny Bryant, billet
Rods:Carillo, 6.350-inch
Main Journal:standard, big-block Chevy
Rod Journal:1.88-inch
Cylinder Head:Brodix, Race Oval, ported
Peak Intake Flow:380-cfm
Intake valve diameter:2.300-inch
Exhaust valve diameter:1.880-inch
Intake Manifold:Brodix, ported
Carburetor:Holley, 1000 HP
Header:Stahl, 2 2-1/8, stepped
SOURCE
Autoshop Racing Engines
Orlando
FL
407-678-7705
www.autoshopracingengines.com