| Spec Sheet: ’07 and ’08 ZR1 Convertibles |
| Owners |
Ray Craig Jr. and Ray Craig Sr. |
| Block |
Stock LS9 aluminum |
| Displacement |
378.3 ci |
| Heads |
Stock LS9 aluminum |
| Valves |
Stock 2.16 titanium intake/1.59 exhaust |
| Camshaft |
21st Century 21CMC-30 hydraulic roller (227/239-deg duration, 0.629/0.623-in lift, 114-deg LSA), LPE dual valvesprings and titanium retainers |
| Rocker Arms |
Stock 1.7 ratio |
| Pistons |
Stock LS9 forged aluminum |
| Rods |
Stock LS9 titanium |
| Crankshaft |
Stock LS9 forged steel |
| Throttle Body |
Stock LS9 87mm |
| Fuel Injectors |
FAST 85-lb/hr |
| Fuel Pump |
Stock LS9 and Kenne-Bell Boost-a-Pump |
| Ignition |
Stock coil-on-plug, NGK TR-6 spark plugs |
| Power Adder |
Stock GM/Eaton TVS R2300 supercharger |
| Maximum Boost |
14 psi |
| Intercooler |
Stock GM ZR1 and Spearco custom front-mount |
| Exhaust System |
American Racing 1 7/8-in stainless-steel headers, 3-in X center section, high-flow cats, and B&B Fusion 3-in after-cat exhaust |
| Transmission |
Stock TR 6060 six-speed manual |
| Clutch |
Stock ZR1 twin-disc with LPE ZR1 billet-steel flywheel |
| Front Suspension |
Stock with GM Magnetic Ride Control |
| Rear Suspension |
Stock with GM Magnetic Ride Control |
| Rearend |
Stock with 3.42 gears and HD axle shafts |
| Brakes |
Stock Z06; six-piston front calipers with 14.0-in rotors, four-piston rear calipers with 13.4-in rotors |
| Wheels |
Stock ZR1 chrome; 19x10 (front), 20x12 (rear) |
| Tires |
Michelin Pilot Sport PS2; 285/30ZR19 (front), 335/25ZR20 (rear) |
| Fuel Octane |
93 |
| Weight |
3,430 lbs |
| Current Mileage |
10,000/16,000 |