Peter Gregg Trophy- 1973-1981 IMSA GT, GTX, AAGT, GTU, FIA
Group 5 has some very fast cars and the range of 14 seconds between the fastest and slowest best laps is quite small considering the variety of types of cars racing.










Group 5 has some very fast cars and the range of 14 seconds between the fastest and slowest best laps is quite small considering the variety of types of cars racing.