Spec Sheet: '63 Convertible
Owner: Chris Lehman; Fort Washington, MD
Block: GM Performance Parts ZZ502 iron
Displacement: 502 ci
Compression Ratio: 9.6:1
Heads: GMPP aluminum
Valves: GMPP 2.25/1.88
Camshaft: Edelbrock hydraulic roller; 0.632/0.648-in lift, 248/256-deg duration, 112-deg LSA
Rocker Arms: Comp 1.7-ratio
Pistons: GMPP aluminum
Crankshaft: GMPP forged-steel stroker
Rods: GMPP forged steel
Intake Manifold: GMPP aluminum dual-plane
Carburetor: Holley 850-cfm with mechanical secondaries
Fuel Pump: Holley electric, 110-gph
Ignition: GMPP electronic with MSD Igniter box and custom HEI distributor
Exhaust System: Hedman 1 3/4-in ceramic- coated "shorties" with 3-in collectors, 2 1/2-in mild-steel exhaust pipes, Flowmaster 40-Series mufflers
Transmission: Keisler TKO-600 five-speed manual with stock-style shifter
Clutch: Centerforce dual-disc with 11-in discs/pressure plate, hydraulic clutch system
Driveshaft: Restored OEM steel
Front Suspension: Heavy-duty upper control arms; 10 percent over-compression, 1 1/2-in lowered coil spring; QA1 adjustable shocks
Rear Suspension: Monoleaf composite transverse leaf spring, heavy-duty adjustable rear struts, 2-in-offset trailing arms, QA1 adjustable shocks
Rearend: Rebuilt stock with Positraction, heavy-duty axle shafts, and 3.55 gears
Front Brakes: Wilwood discs
Rear Brakes: OEM GM rear-disc conversion
Wheels: Chrome-plated steel Rally-style with "spinner" center caps (16-in front/17-in rear)
Front Tires: Kumho Ecsta ASX radial, 205/60R16
Rear Tires: Kumho Ecsta ASX radial, 255/45R17
Fuel Octane: 93
Weight: 2,800 lbs with driver
Current Mileage: 43,000