March 83G
The March 83G is a IMSA GTP/Group C sports prototype race car, designed, developed and built by British manufacturer March Engineering.
The 83G debuted at the final round of the 1982 IMSA GT Championship at Daytona, driven by Jim Trueman and Bobby Rahal. Al Holbert and Randy Lanier won the titles in 1983 and 1984 respectively. In 1984 the Porsche 962 began to dominate the IMSA GTP class.