As we build up to this year’s Rolex 24 at Daytona, RACER.com is pleased to bring you a series of excerpts from IMSA 1969-1989 by Mitch Bishop and Mark Raffauf. The soon-to-be-released inside history of IMSA’s first two decades is currently available for pre-order from Octane Press, and as a...

Take a #ThrowbackThursday look back at some of the top contenders at the 1976 12 Hours of Sebring.How times have changed in 40 years. In those days, there was no prototype category so the IMSA Camel GT Series was just that – run exclusively for GTO (2.5-liter and larger-displacement engines)...

Subtitle:BMW Scored Historic First Victory In 1975With the help of a new factory effort from BMW, the Mobil 1 Twelve Hours of Sebring Fueled by Fresh From Florida bounced back with a memorable race in 1975.Returning after the previous year’s race cancellation due to the energy crisis, Sebring was back...