[1] Roush Performance debuted the car at the 1987 24 Hours of Daytona under the 'Roush Racing' banner, selecting Scott Pruett, Pete Halsmer and Tom Gloy to drive it.

John Dick, the Roush team manager, was in charge of the test and prioritised setup over aerodynamics, leaving the Maxum staff largely sidelined.

[1] The next round of the IMSA series, which was the Grand Prix of Miami, proved rather more successful; Pruett and Halsmer brought the car home in third, beating seven of the eight Porsche 962s that finished the race, as well as the works-entered Jaguar XJR-7.

[8] By now, the car had been fitted with a 7-litre version of its Ford-based V8 engine, and the 3 Hour Grand Prix of Palm Beach, where Pruett was partnered by Whitney Ganz, saw the team finish in tenth overall, and fifth in class.

[9] Halsmer returned to partner Pruett at the Camel Continental; the team, who were now running under the Applicon/Roush banner, retired after 98 laps and were classified in 15th overall, and fourth in the GTP category.

The suspension mounts were now located in holes that were too large, causing them to ‘wander’ during a race with the direct effect of making the handling unpredictable.