| 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 |