Michigan International Speedway1:06.060
March 84G
IMSA GTP · race · 1984
Bill Whittington
Racing driver
Bill Whittington is credited in published circuit-record results. The recorded vehicle, timing, date and source are listed below.
Track times
Verified results in VehicleRef
Sebring International Raceway2:22.750
March 83G
IMSA GTP · race · 1983