There are 4 cars that have been built with v-12 motors 1) david Goldsmith--see road and track article 2) Bob Norwood made 1--recently impounded in San Antonio and sold 3) JRV in Houston made 1 --it is now in Europe 4) Mine--in Atlanta---motor currently going thru rebuild and upgrade will be installed next fall---this is a 330 EFI motor--425HP 400ft-LB
nigel mansell ferrari built a blue one in 1985 and there is another in the uk was owned by some posh person in bath think he had royal connections so thats another 2 to the list
The one in the UK came from Texas and I am unsure about the blue one , but I heard one of the red cars was repainted to a blue.