for the cars. Full type CEE" homologated or the equivalent for United States or Japan and produced at least 300 units per year, modifications of the chassis/body unit others that those permitted by the present regulation are possible. These modifications concern only the fitting of the rear diffuser, the rear wing supports and the mechanical elements (position of the engine, installation of a new gearbox, position of the radiator(s), suspension mounting points, etc.) which must be carried out within respect of the above technical regulations : These modifications can be made only by the manufacturer of the car or by a tuner who has serious references in motor sport and with the agreement of the ACO (ACO homologation form) . These modifications to the chassis must be subject of a certificate from the manufacturer or the tuner stipulating that the strength of the chassis is not altered. The original materials must be retain. No reinforcement will be permitted apart those possibly necessary for the installation of : • the fuel tank and its equipments ; • the rollover structure in the cockpit ; Such modifications on the carbon chassis can be made only during his building, by the manufacturer and with the agreement of the ACO.
