
2010 Mustang Roush 427R - Exclusive Photos
Check out some exclusive photos of the 2010 Mustang Roush 427R
By Steve Turner
Photography by Steve Turner
5.0 Tech Specs
2010 Roush 427R
Engine and Drivetrain Block 4.6-liter 90-degree V-8
Displacement 281 ci
Rods Cracked, powdered metal with floating wristpins
Pistons Hypereutectic aluminum
Camshafts SOHC, variable camshaft timing
Heads Aluminum, three valves per cylinder
Intake Composite shell-welded single-runner, charge-motion-control valves
Exhaust Stock with Roush after-cat system
Transmission
Tremec 3650 five-speed
Rearend 8.8-inch w/3.55 gears
Electronics
Engine Management
PCM w/Roush tune
Ignition Coil-on-plug
Gauges Roush white-face gauges, Roush vent pod with boost gauge
Chassis And Suspension
Front Suspension
Reverse-L independent MacPherson strut, 34mm tubular stabilizer bar
Springs Roush Performance
Struts Roush Performance
Brakes 316x30mm vented disc, twin-piston 43mm floating aluminum calipers
Wheels Roush 20-inch cast-chrome wheels
Tires Dunlop 275/35ZR20
Rear Suspension
Three-link solid axle with coilsprings, Panhard rod, and 20mm solid stabilizer bar
Springs Roush Performance
Shocks Roush Performance
Brakes 300x19mm vented disc, single-piston 43mm floating iron calipers
Wheels Roush 20-inch cast-chrome wheels
Tires Dunlop 275/35ZR20
| Â | Baseline | Heatsoaked | Open Airbox | HS VS. OAB |
| TQ | Power | A/F | TQ | Power | A/F | TQ | Power | A/F | TQ | Power |
| 2,000 | 263 | 99 | 12.3 | 263 | 99 | 11.9 | 274 | 103 | 13.1 | 11 | 4 |
| 2,500 | 276 | 130 | 11.9 | 277 | 131 | 11.7 | 290 | 137 | 12.5 | 13 | 6 |
| 3,000 | 287 | 163 | 11.5 | 287 | 163 | 11.6 | 298 | 169 | 12.4 | 11 | 6 |
| 3,500 | 295 | 196 | 11.4 | 297 | 197 | 11.4 | 307 | 204 | 12.0 | 10 | 7 |
| 4,000 | 307 | 232 | 11.2 | 305 | 225 | 11.3 | 313 | 237 | 12.0 | 8 | 12 |
| 4,500 | 312 | 267 | 11.3 | 313 | 261 | 11.0 | 319 | 272 | 12.0 | 6 | 11 |
| 5,000 | 309 | 293 | 11.1 | 307 | 297 | 11.1 | 315 | 299 | 11.8 | 8 | 2 |
| 5,500 | 303 | 316 | 11.1 | 303 | 316 | 11.0 | 311 | 325 | 11.4 | 8 | 9 |
| 6,000 | 290 | 331 | 11.2 | 289 | 329 | 11.0 | 300 | 341 | 11.8 | 11 | 12 |
| 6,300 | 274 | 328 | 11.2 | 280 | 335 | 11.1 | 291 | 348 | 12.0 | 11 | 13 |