Saturday, May 16, 1998
Supermodifieds
Saturday, May 23, 1998
Saturday, May 30, 1998
Saturday, June 6, 1998
Saturday, June 13, 1998
Saturday, June 20, 1998
Saturday, June 27, 1998
Sunday, July 5, 1998
Midgets, Supermodifieds
Saturday, July 11, 1998
Saturday, July 18, 1998
Saturday, August 8, 1998
Saturday, August 15, 1998
Saturday, August 22, 1998
Saturday, August 29, 1998
Saturday, September 5, 1998
ISMA-International Supermodified Association, Midgets
Sunday, September 6, 1998
Saturday, September 19, 1998
Oswego Speedway