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