The gates will open at 4 pm with the race beginning at 7 pm on Friday, July The night will include special events like the Ver Hage Motors Antique Car Show. The West Michigan Grand Prix was a weekend of professional auto racing held at the Scott Brayton Memorial Street Circuit in Grand Rapids, Michigan. Bill Saunders won the race with a margin of victory of over 44 seconds. The largest field First race : . To view WISSOTA Rules — Enduro Rules — Pure Stock Rules please visit our Speedway Rules Page. RaceCeivers Are Used Channel.