DATA FILE 2002 WS6 Trans Am
| Owner: | Jon Obrizok |
| Block: | LS1, 455 cid built by the owner |
| Compression ratio: | 11.2:1 |
| Heads: | Air Flow Research 225 cc, 2.08 intake, 1.60 exhaust valves |
| Cam: | Thunder Racing hydraulic roller, 248/254 duration at .050, .615/.625-inch lift, 112 LSA |
| Pushrods: | Thunder Racing hardened, 7.500-inch |
| Rocker arms: | Stock 1.7 ratio, modified by Harland Sharp |
| Pistons: | JE forged |
| Rings: | JE Pro Seal |
| Crankshaft: | Lunati Pro Series forged |
| Rods: | Lunati Pro Mod billet |
| Throttle body: | Nick Williams 90 mm |
| Fuel injectors: | Bosch 42 lb/hr |
| Fuel pump: | Walbro 255 lph |
| Ignition: | Stock coil on plug |
| Engine management: | Stock computer, speed density tune by Brian Reese |
| Exhaust system: | Kooks 1 3/4 x 1 7/8th-inch stepped long tube headers, X-pipe, 3-inch true duals with Kooks mufflers |
| Transmission: | T56 |
| Clutch: | SPEC 3+, aluminum flywheel |
| Driveshaft: | PST 3.5-inch aluminum |
| Front suspension: | BMR swaybar, stock control arms with polyurethane bushings, springs and struts |
| Rear suspension: | BMR lower control arms, torque arm, Panhard bar and sway bar, stock shocks and springs |
| Rear end: | Moser 12-bolt, 33-spline axles, 3.73 gear, posi |
| Brakes: | Stock with cross-drilled and slotted rotors |
| Wheels: | C6 18x9.5 front, 18x10.5 rear |
| Front tires: | BFG G-force Sport 265/35/18 |
| Rear tires: | BFG drag radial 315/30/18 |
| Fuel octane: | 93 |
| Race weight: | 3,450 lb |
| Best ET/mph: | 10.92/127 |
| Best 60-ft. time: | 1.55 |
| Current mileage: | 16,500 |
| Miles driven weekly: | 28 |