By Johan Laubscher
JCR Motorsports (Jeff Courtney Racing) and Jeff Courtney were out testing their Audi R8 LMS ultra at Sebring recently.
The team is preparing their Audi R8 LMS ultra for the 2014 Pirelli World Challenge. They have also recently upgraded their Audi from the R8 GRAND-AM specification into the FIA GT3 specification Audi R8 LMS ultra. Jeff Courtney will be driving the #99 JCR Audi.
The 2014 Pirelli World Challenge will be getting underway at the Grand Prix of St. Petersburg this upcoming weekend, 28-30 March.