Doran JE4 Porsche specs
| Car type | Coupe |
| Curb weight | 968 kg (2134 lbs) |
| Dimensions | 4.45 m (175 in) long, 2.01 m (79 in) wide, 1.22 m (48 in) high |
| Wheelbase | 2.85 m (112 in) |
| Years built | 2003 - 2008 |
| Origin country | United States |
| Tyres | Hoosier R7 |
| Views | 65 |
| Submitted by | humana |
Lap times
Powertrain specs
| Engine type | V8 (Porsche M48 from a Porsche Cayenne S) |
| Displacement | 5.0 l (305 ci / 4996 cc) |
| Power | 537 ps (530 bhp / 395 kw) @ 7300 rpm |
| Torque | 579 Nm (427 lb-ft) @ 6100 rpm |
| Power / liter | 108 ps (106 hp) |
| Power / weight | 555 ps (548 bhp) / t |
| Torque / weight | 598 Nm (441 lb-ft) / t |
| Transmission | 6 speed sequential |
| Layout | middle engine, rear wheel drive |
Qualifying results
| Race | # | Driver | Time | Gap |
|---|---|---|---|---|
| 2006 250 mile Homestead | 5th | Burt Frisselle | 1:14.65 | +0.7 |
| 2006 250 mile Mexico | 6th | Burt Frisselle | 1:23.14 | +0.7 |
| 2006 250 mile Sonoma | 12th | Spencer Pumpelly | 1:29.45 | +1.2 |
| 2006 Mid-Ohio 250 Miles | 13th | Burt Frisselle | 1:21.23 | +1.0 |
| 2006 Watkins Glen 6 Hours | 16th | Al Unser, Jr. | 1:46.85 | +1.4 |
| 2006 250 mile Phoenix | 18th | Burt Frisselle | 0:58.42 | +1.2 |
| 2007 Watkins Glen 200 Miles | 18th | David Murry | 1:09.32 | +2.3 |
| 2007 400 kms Sonoma | 18th | David Murry | 1:33.13 | +5.4 |
| 2006 Barber 250 Miles | 19th | Boris Said | 1:24.12 | +2.1 |
| 2006 Watkins Glen 200 Miles | 20th | Boris Said | 1:08.98 | +1.5 |
| 2006 Grand-Am Long Beach | 20th | Burt Frisselle | 1:22.47 | +2.6 |
| 2006 Virginia 250 Miles | 21st | Burt Frisselle | 1:48.49 | +2.7 |
| 2006 Laguna Seca 250 Miles | 21st | Burt Frisselle | 1:25.73 | +2.0 |
| 2006 Miller 9 Hours | 24th | Dave Russell | 2:42.98 | +5.0 |
