Per Google and the Sporting News:

June 16

1951: Frank Mundy, driving a 1951 Studebaker, leads 167 of 200 laps on the half-mile dirt track of Columbia (S.C.) Speedway to pick up his first win and the first of three wins for Studebaker. All three of Studebaker's wins in the Cup series come in 1951, two from Mundy. Danny Weinberg gets the other.

1963 Lark Daytona HT - 63V J8 175
53-54 C/Ks, 55 Speedsters, 63 Daytonas, Wagonaires Registries