Jim Koonce

Jim Koonce is an American gasser drag racer.

Driving a 1955 Chevrolet (with a transplanted Chevrolet engine), he won NHRA's C/G national championship at Detroit Dragway in 1960. His winning pass was 14.31 seconds at 102.04 mph.

In the same car, he won the E/Gas title at Indianapolis Raceway Park in 1961, with a pass of 14.07 seconds at 96.20 mph.