As revealed by Autosport earlier this month, the series will use a short burst of testing with the Ford Mustang and Chevrolet Camaro prototypes in a bid to finally formalise the homologation.
The driving force behind the additional testing is Ford which is known to be dissatisfied with the aerodynamic performance of the Mustang compared to the Camaro, while there are also question marks over the throttle mapping of the Coyote-based Ford motor.
