Did you read the sentence and my pervious posts. READ THEM FOR MAKING QUICK ASSUMPTIONS of a conversation. what i was saying is that some of the D1 cars stock are 4wd example evo's and subaru's and the d1 rules require a drivetrain conversion to rwd
here are some D1GP vehicle regulations mate
Only Two wheel drive (FR/RR/MR). The vehicle has to be a production, road-going model by a major vehicle manufacturer and must be rear-wheel drive, front-wheel drive, or all wheel drive from the factory.
Vehicles constructed by a vehicle manufacturer solely for the purpose of racing are prohibited.
front wheel drive (FF) cars with an RWD platform conversion are allowed.
all wheel drive (4WD) cars without any RWD platform conversion, are prohibited.