| 5.1.2004 | Daytona Test | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker / Nonnamaker | Planet Earth Motorsports | 52nd |
| 5.1.2004 | Daytona Test | 42 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker / Nonnamaker | The Race Site.com Racing | 48th |
| 1.2.2004 | 24 h Daytona | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker / Menard / Menard / Nonnamaker | Orison-Planet Earth Motorsports | 15th |
| 28.2.2004 | 250 mile Homestead | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 32nd |
| 10.4.2004 | 250 mile Phoenix | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 21st |
| 10.4.2004 | 250 mile Phoenix | 42 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | 33rd |
| 23.5.2004 | 6 h Mont-Tremblant | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 23rd |
| 20.6.2004 | 6 h Watkins Glen | 41 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | 25th |
| 1.7.2004 | 250 mile Daytona | 41 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | 18th |
| 1.7.2004 | 250 mile Daytona | 42 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | 22nd |
| 1.7.2004 | 250 mile Daytona | 43 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | DNS |
| 7.8.2004 | 250 mile Mid-Ohio | 41 | Porsche 996 GT3 Cup | Nonnamaker / *Nonnamaker | Orison-Planet Earth Motorsports | 20th |
| 7.8.2004 | 250 mile Mid-Ohio | 42 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 25th |
| 7.8.2004 | 250 mile Mid-Ohio | 43 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | DNS |
| 13.8.2004 | 200 mile Watkins Glen | 41 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | 30th |
| 13.8.2004 | 200 mile Watkins Glen | 43 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | 20th |
| 19.9.2004 | 250 mile Homestead II | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 22nd |
| 19.9.2004 | 250 mile Homestead II | 43 | Porsche 996 GT3 Cup | In entry list only | Orison-Planet Earth Motorsports | 21st |
| 3.10.2004 | 400 km Virginia | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 22nd |
| 10.10.2004 | 250 mile Barber | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 36th |
| 10.10.2004 | 250 mile Barber | 42 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | DNS |
| 31.10.2004 | 400 km Fontana | 41 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 27th |
| 31.10.2004 | 400 km Fontana | 42 | Porsche 996 GT3 Cup | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | DNA |