High Quality Content by WIKIPEDIA articles! The 1985 Camel GT Championship season was the 15th season of the IMSA GT Championship auto racing series. It was for prototypes in the existing GTP class and new, smaller Lights class, as well as Grand Tourer-style racing cars which ran in the GTO and GTU classes. It began on February 2nd, 1985 and ended on December 1st, 1985 after seventeen rounds.