The Cadillac DPi-V.R has been hit with Balance of Performance Adjustments intended to make it less competitive ahead of the 12 Hours of Sebring.
According to RACER, IMSA officials have mandated the DPi-V.Rs of Wayne Taylor Racing and Action Express Racing be fitted with 1.5mm smaller air restrictors and a 68-liter fuel tank (down from 75 liters). A 2.5mm smaller refuelling restrictor has also been applied to help slow it down in the pits as well.
Similarly, IMSA officials have shaved some power from the Mazda and Nissan DPis by reducing the vehicle’s max boost pressure. The Gibson V8-powered Riley/Multimatic, Ligier JS P217 and ORECA 07 Protoypes have received larger refuelling restrictors to help speed up the vehicle’s respective teams in pit lane.
All IMSA Prototypes will also be running a high-downforce package at Sebring as opposed to the more slippery package they ran at Daytona. The high downforce package will be used at every track the Prototypes will race on this year from Sebring forward.