The 1985 All-In-One Twin 100s was a daylong event held at Oxford Plains Speedway on September 22, 1985. Two distinct series raced that day. Did you mean:

1985 All-In-One Twin 100s (WMT)-Richie Evans wins his final Winston Modified Tour event

OR

1985 All-In-One Twin 100s (NCT)-The Coors Tour event?