Jim Koonce is an American gasser drag racer.[1]
Driving a 1955 Chevrolet (with a transplanted Chevrolet engine),[2] he won NHRA's C/G national championship at Detroit Dragway in 1960. His winning pass was 14.31 seconds at 102.04mph.[3]
In the same car, he won the E/Gas title at Indianapolis Raceway Park in 1961, with a pass of 14.07 seconds at 96.2mph.[4]