| Main Title | 2004 Vintage Grand Prix Au Grattan XVIII | |||||
| SubTitle | ||||||
| Location | Grattan Raceway, Grattan, Michigan | |||||
| Region | Vintage Sports Car Drivers Association | |||||
| Event date | August 20-22, 2004 | |||||
| Sanction | 15 Lap Feature Race | |||||
| Race groups | ||||||
| 1 | Race A Classes: 4V | |||||
| 2 | Race B Classes: 3A,3B,3C,3D,5,6,8C | |||||
| 3 | Race C Classes: 4B,4F,4JE,7 | |||||
| 4 | Race D Classes: 2A,2B,3E,8B2 | |||||
| 5 | Race E Classes: 2C,2D,2E,3F,3G,8B1 | |||||
| 6 | Race Enduro Classes: | |||||
| 7 | Race 7 Classes: | |||||
| 8 | Race 8 Classes: | |||||
| Chief | Chief of Timing & Scoring: Dave Killian | |||||
| track_length | 2.000 | |||||
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