| BY THE NUMBERS |
| ’66 CHEVROLET CHEVELLE |
| Randy Johnson, 37 • Kewaskum, WI |
| Vehicle weight w/driver: 3,850 pounds |
| ENGINE |
| Type: | GM LS7 displacing 427 cubic inches |
| (4.125 bore x 4.00 stroke) |
| Block: | GM Gen IV aluminum |
| Compression ratio: | 11.0:1 |
| Oiling: | Peterson Fluid Systems wet-sump system |
| with custom 9-quart tank, |
| scavenging pump, LS7 pan |
| Rotating assembly: | 4.00-inch stroke forged tank, |
| sintered-forged titanium rods, |
| Mahle forged pistons, stock LS7 ring packs |
| Cylinder heads: | stock LS7, CNC-ported |
| Camshaft: | LS7 hydraulic roller, |
| 211/230 degrees duration at .050, |
| .591/.591-inch lift, LS7 timing gear |
| Valvetrain: | LS7 2.20/1.61-inch valves, |
| 1.8:1 LS7 rocker arms, pushrods, valvesprings |
| Induction: | LS7 composite intake manifold, |
| 90mm throttle body, |
| D&Z Customs air intake tube, |
| K&N element |
| Power adder: | none |
| Ignition: | LS7, remote-mount coils, |
| Speartech Engineering controller and harness |
| Exhaust: | Stainless Works headers |
| modified by D&Z Customs, |
| 1 3/4-inch primaries, 3-inch collectors, X-pipe, |
| Stainless Works three-chamber |
| “turbo” mufflers, 3-inch exhaust, |
| custom side outlets by D&Z |
| Fasteners: | ARP |
| Built by: | GM Race Group |
| DRIVETRAIN |
| Transmission: | Rockland Standard Gear |
| “Son of Tranzilla” Tremec six-speed, |
| ’06 Z06 clutch assembly, Hurst shifter |
| Driveshaft: | Coleman Racing aluminum |
| Rear axle: | Winters Performance center |
| axlehousing, Coleman Racing tubes, |
| 31-spline Chester axles, |
| Randy’s Ring & Pinion third member, |
| RR&P Yukon limited-slip differential, |
| 4.11:1 ring-and-pinion |
| CHASSIS |
| Front suspension: | Schwartz Extreme Performance |
| chassis, tubular upper and lower control arms, |
| Coleman Racing spindles, QA1 adjustable coilovers |
| with 450-lb springs, Coleman Racing splined |
| antisway bar with Speedway Engineering end links |
| Rear suspension: | modified four-link |
| (top bars angled towards center of car), |
| QA1 adjustable coilovers with 300-lb springs, |
| custom splined antisway bar by D&Z Customs |
| Brakes: | Wilwood 14-inch rotors, |
| six-piston calipers, front; |
| Wilwood 13.5-inch rotors, |
| four-piston calipers, rear |
| WHEELS & TIRES |
| Wheels: | Kinesis K18 18x9.5, front; 18x12, rear |
| Tires: | Michelin Pilot Sport PS2 |
| 275/35ZR18, front; 335/30ZR18, rear |