| SPEC SHEET |
| Car |
'09 C6 ZR1 |
| Owner |
Andrew Alepa |
| Driver |
Andrew Alepa |
| Block |
LS9 aluminum |
| Displacement |
378 ci |
| Compression Ratio |
9:1 |
| Heads |
Stock LS9 |
| Valves |
Stock LS9 titanium, 2.16/1.59 |
| Camshaft |
GM LS9 (0.555/0.555-in lift,211/230-deg duration, 122.5-deg LSA) |
| Rocker Arms |
Stock 1.7 |
| Pistons |
Stock forged aluminum |
| Crankshaft |
GM LS9 forged steel, 3.622-in stroke |
| Rods |
GM LS9 H-beam, 6.098-in length |
| Intake Manifold |
LS9 |
| Throttle Body |
90mm GM LS9 |
| Fuel Injectors |
GM LS9 48-lb/hr |
| Fuel Pump |
Stock |
| Ignition |
GM coil-on-plug, stock plug wires, NGK TR-6 plugs |
| Engine Management |
Stock PCM with LMR programming |
| Power Adder |
GM R2300 supercharger |
| Exhaust System |
17/8-in American Racing Headers |
| long-tube headers, stock 3-in pipes with dual-mode mufflers |
| Transmission |
GM TR6060 six-speed manual |
| Clutch |
Stock dual 260mm |
| Driveshaft |
Stock |
| Front Suspension |
Stock |
| Rear Suspension |
Stock |
| Rearend |
Stock with 3.42 gears |
| Front Brakes |
Stock with cross-drilled rotors |
| Rear Brakes |
Stock with cross-drilled rotors |
| Wheels |
Stock |
| Front Tires |
Michelin Pilot Sport 2, 285/35ZR19 |
| Rear Tires |
Michelin Pilot Sport 2, 335/25ZR20 |
| Current Mileage |
Approx. 1,000 |
| Amount Driven |
A few times a week |
| Best E.T./MPH |
12.273 at 126.02 |
As the owner of Advanced Racing Dynamics (ARD) in Houston, Owen Priest brought an impressive résumé, including having built some of the fastest street cars in the area. For our purposes, Priest brought his personal '05 Le Mans Blue C6, which had been transformed into a Z06 replica with a few major deviations.