| 1.8.2008 | 200 miles Montreal | 6 | Mk XX | Pew / James | Michael Shank Racing | 7th |
| 1.8.2008 | 200 miles Montreal | 7 | Mk XX | Plumb / Sigal | Sigalsport | 13th |
| 1.8.2008 | 200 miles Montreal | 60 | Mk XX | Patterson / Negri | Michael Shank Racing | 36th |
| 1.8.2008 | 200 miles Montreal | 61 | Mk XX | Frisselle / Wilkins | AIM Autosport | 1st |
| 1.8.2008 | 200 miles Montreal | 91 | Mk XX | Matthews / Goossens | Bob Stallings/ Riley-Matthews | 17th |
| 1.8.2008 | 200 miles Montreal | 99 | Mk XX | Gurney / Fogarty | Gainsco/Bob Stallings Racing | 8th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 01 | Mk XX | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 13th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 3 | Mk XX | Lewis / Lester | Southard Motorsports | 15th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 6 | Mk XX | Pew / James | Michael Shank Racing | 9th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 7 | Mk XX | Plumb / Sigal | Sigalsport | 11th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 22 | Mk XI | de Quesada / Dumoulin / Gabel | Alegra Motorsports | 16th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 23 | Mk XI | Auberlen / Hand | Alex Job Racing | 4th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 58 | Mk XI | Law / Donohue | Brumos Racing | 3rd |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 59 | Mk XI | France / Barbosa | Brumos Racing | 12th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 60 | Mk XX | Patterson / Negri | Michael Shank Racing | 8th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 61 | Mk XX | Frisselle / Wilkins | AIM Autosport | 1st |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 91 | Mk XX | Matthews / Goossens | Bob Stallings/ Riley-Matthews | 20th |
| 8.8.2008 | 200 miles Watkins Glen [DP] | 99 | Mk XX | Gurney / Fogarty | Gainsco/Bob Stallings Racing | 2nd |
| 23.8.2008 | 250 miles Sonoma [DP] | 01 | Mk XX | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 6th |
| 23.8.2008 | 250 miles Sonoma [DP] | 3 | Mk XX | Lewis / Lester | Southard Motorsports | 17th |
| 23.8.2008 | 250 miles Sonoma [DP] | 6 | Mk XX | Pew / James | Michael Shank Racing | 14th |
| 23.8.2008 | 250 miles Sonoma [DP] | 7 | Mk XX | Plumb / Sigal | Sigalsport | 13th |
| 23.8.2008 | 250 miles Sonoma [DP] | 23 | Mk XI | Auberlen / Hand | Alex Job Racing | 8th |
| 23.8.2008 | 250 miles Sonoma [DP] | 58 | Mk XI | Law / Donohue | Brumos Racing | 9th |
| 23.8.2008 | 250 miles Sonoma [DP] | 59 | Mk XI | France / Barbosa | Brumos Racing | 4th |
| 23.8.2008 | 250 miles Sonoma [DP] | 60 | Mk XX | Patterson / Negri | Michael Shank Racing | 12th |
| 23.8.2008 | 250 miles Sonoma [DP] | 61 | Mk XX | Frisselle / Wilkins | AIM Autosport | 3rd |
| 23.8.2008 | 250 miles Sonoma [DP] | 91 | Mk XX | Matthews / Goossens | Bob Stallings/ Riley-Matthews | 16th |
| 23.8.2008 | 250 miles Sonoma [DP] | 99 | Mk XX | Gurney / Fogarty | Gainsco/Bob Stallings Racing | 2nd |
| 31.8.2008 | 250 miles New Jersey | 01 | Mk XX | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | T-car |
| 31.8.2008 | 250 miles New Jersey | 01T | Mk XI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 9th |
| 31.8.2008 | 250 miles New Jersey | 3 | Mk XX | Lester / Wilden | Southard Motorsports | 36th |
| 31.8.2008 | 250 miles New Jersey | 6 | Mk XX | Pew / James | Michael Shank Racing | 7th |
| 31.8.2008 | 250 miles New Jersey | 7 | Mk XX | Plumb / Sigal | Sigalsport | 12th |
| 31.8.2008 | 250 miles New Jersey | 23 | Mk XI | Auberlen / Hand | Alex Job Racing | 3rd |
| 31.8.2008 | 250 miles New Jersey | 58 | Mk XI | Law / Donohue | Brumos Racing | 10th |
| 31.8.2008 | 250 miles New Jersey | 59 | Mk XI | France / Barbosa | Brumos Racing | 4th |
| 31.8.2008 | 250 miles New Jersey | 60 | Mk XX | Patterson / Negri | Michael Shank Racing | 1st |
| 31.8.2008 | 250 miles New Jersey | 61 | Mk XX | Frisselle / Wilkins | AIM Autosport | 6th |
| 31.8.2008 | 250 miles New Jersey | 91 | Mk XX | Matthews / Goossens | Bob Stallings/ Riley-Matthews | 37th |
| 31.8.2008 | 250 miles New Jersey | 99 | Mk XX | Gurney / Fogarty | Gainsco/Bob Stallings Racing | 5th |
| 20.9.2008 | 1000 km Miller | 01 | Mk XI | Pruett / Rojas / Lloyd | Chip Ganassi Racing with Felix Sabates | 9th |
| 20.9.2008 | 1000 km Miller | 6 | Mk XX | Pew / James / Matos | Michael Shank Racing | 1st |
| 20.9.2008 | 1000 km Miller | 7 | Mk XX | Plumb / Sigal / Grégoire | Sigalsport | 11th |
| 20.9.2008 | 1000 km Miller | 22 | Mk XI | de Quesada | Alegra Motorsports | 36th |
| 20.9.2008 | 1000 km Miller | 23 | Mk XI | Auberlen / Hand | Alex Job Racing | 8th |
| 20.9.2008 | 1000 km Miller | 58 | Mk XI | Law / Donohue / Rice | Brumos Racing | 10th |
| 20.9.2008 | 1000 km Miller | 59 | Mk XI | France / Barbosa | Brumos Racing | 4th |
| 20.9.2008 | 1000 km Miller | 60 | Mk XX | Patterson / Negri / Dalziel | Michael Shank Racing | 30th |
| 20.9.2008 | 1000 km Miller | 61 | Mk XX | Frisselle / Wilkins / da Matta | AIM Autosport | 6th |
| 20.9.2008 | 1000 km Miller | 91 | Mk XX | Matthews / Goossens / Hunter-Reay | Bob Stallings/ Riley-Matthews | 7th |
| 20.9.2008 | 1000 km Miller | 99 | Mk XX | Gurney / Fogarty / Vasser | Gainsco/Bob Stallings Racing | 3rd |
| 29.10.2008 | Daytona October Test | 5 | Mk XX | Romain Dumas | Penske Racing | raced |
| 29.10.2008 | Daytona October Test | 5T | Mk XX | | Penske Racing | raced |
| 29.10.2008 | Daytona October Test | 11 | Mk XI | | AIM Autosport | raced |
| 29.10.2008 | Daytona October Test | 45 | Mk XI | Hindery, Jr. / Manning / Petty / Riolo / Stroll | Orbit Racing | raced |
| 29.10.2008 | Daytona October Test | 55 | Mk XX | Bouchut / Goossens / Tucker / Zabinski | LevelFive Motorsports | raced |
| 29.10.2008 | Daytona October Test | 58 | Mk XI | Law / Barbosa | Brumos Racing | raced |
| 29.10.2008 | Daytona October Test | 59 | Mk XI | France / Barbosa / Haywood | Brumos Racing | raced |
| 12.11.2008 | Daytona November Test | 5 | Mk XX | Bernhard / Briscoe / Dumas | Penske Racing | raced |
| 12.11.2008 | Daytona November Test | 6 | Mk XX | Pew / Valiante | Michael Shank Racing | raced |
| 12.11.2008 | Daytona November Test | 7 | Mk XX | Bernhard / Briscoe / Busch | Penske Racing | raced |
| 12.11.2008 | Daytona November Test | 12 | Mk XI | Bell / Kasemets / Schramm | RVO Motorsports | raced |
| 12.11.2008 | Daytona November Test | 13 | Mk XI | Beyer / Taylor / Taylor / Taylor | Beyer Racing | raced |
| 12.11.2008 | Daytona November Test | 20 | Mk XI | Kasemets / Lester / Schramm | RVO Motorsports | raced |
| 12.11.2008 | Daytona November Test | 22 | Mk XI | da Matta / Dalziel / de Quesada / Dumoulin | Alegra Motorsports | raced |
| 12.11.2008 | Daytona November Test | 45 | Mk XI | Hindery, Jr. / Manning / Petty / Riolo | Orbit Racing | raced |
| 12.11.2008 | Daytona November Test | 51 | Mk XI | Farano / Figge | AIM Autosport | raced |
| 12.11.2008 | Daytona November Test | 58 | Mk XI | Darren Law | Brumos Racing | raced |
| 12.11.2008 | Daytona November Test | 59 | Mk XI | France / Barbosa / Borcheller / Perez Mendoza | Brumos Racing | raced |
| 12.11.2008 | Daytona November Test | 60 | Mk XX | Negri / Patterson | Michael Shank Racing | raced |
| 12.11.2008 | Daytona November Test | 61 | Mk XX | | AIM Autosport | raced |