| By the Numbers | |
| '75 Pontiac Trans Am | |
| Chris Williams * Sleepy Hollow, IL | |
| Vehicle weight w/driver: 3,823 pounds | |
| Best ET: 11.52/117 * Total cost to build: $22,175 | |
| Engine | |
| Type: | Pontiac 400 displacing 460 cubic inches (4.150 bore x 4.250 stroke) |
| Block: | 1972 vintage |
| Compression ratio: | 10.33:1 |
| Oiling: | Milodon 7-quart oil pan, crankshaft scraper |
| Rotating assembly: | 4.250-inch stroke Ohio Crankshaft crank, Eagle BBC H-beam rods, Ross race flat-top pistons |
| Cylinder heads: | Edelbrock Performer, 87cc combustion chambers |
| Camshaft: | Bullet Racing Cams solid lifter flat tappet (256/258 deg. @ .050; .618 lift @ 6,000 rpm) |
| Valvetrain: | 2.11/1.66-inch valves, 1.65:1 COMP roller rocker arms, COMP pushrods, Crane dual valve springs with dampers |
| Induction: | Edelbrock Torker 2 intake, Holley HP950 carburetor |
| Power adder: | None |
| Ignition: | MSD Pro Billet distributor, 6AL box |
| Exhaust: | Hedman headers, 1 7/8 primary pipes, 3.5-inch collectors, X-pipe, 3-inch Flowmaster mufflers |
| Fasteners: | ARP 12-point throughout |
| Built By: | Rick Sliwinsky, Precision Engine and Machine, Sleepy Hollow, IL |
| Drivetrain | |
| Transmission: | 1975 BOP Turbo 350 (built by Dean at DRC Racing Transmissions, Elk Grove Village, IL) |
| Valve body: | manual |
| Converter: | ATD 9-inch, 4,800 rpm stall speed |
| Cooler: | B&M |
| Shifter: | Hurst Quarter Stick |
| Driveshaft: | Custom Strange Engineering chrome moly, 4340 1350-series yokes |
| Rear axle: | Chevrolet 12-bolt housing, Eaton limited-slip differential, 4.33:1 ring-and-pinion |
| Chassis | |
| Front suspension: | factory spindles, Hotchkis 2-inch lowering springs, Energy Suspension bushings, Moog HD ball joints, Monroe shock absorbers (street), or Moroso (drag race), Hotchkis 1.375-inch antisway bar |
| Rear suspension: | Hotchkis 1.5-inch drop leaf springs, Monroe/Moroso shock absorbers, Hotchkis 7/8-inch antisway bar |
| Brakes: | stock disc, braided lines, front; stock drums, rear |
| Wheels & Tires | |
| Wheels: | Cragar race 15x8, front; 15x10, rear |
| Tires: | BFG 215/65x15, front; M/T ET Street 28x12.50x15, rear |