In 1974 , Darnell had his first USAC win at the Indiana State Fairgrounds after racing for 13 seasons .
Darnell finished third in the season points in 1973 , his first time in the top three .
In 1974 , Darnell had Darnell 's first USAC win at the Indiana State Fairgrounds after racing for 13 seasons .
Darnell finished third in the season points in 1973 , his first time in the top three .