There were two NASCAR touring series events held during the 1983 season entitled the "Warner W. Hodgdon 200" and both were held at Riverside. Did you mean:

1983 Warner W. Hodgdon 200 (Grand Am)-Hershel McGriff lays claim to the Grand American Stock Car Series event in May

OR

1983 Warner W. Hodgdon 200 (West)-McGriff also picks up the August 28th West Series event?