After close analysis, its the *rather crap* phonetic spellings of the cars !
Flames guess was good though !
in order: UF1, XFG, LX4, LX6, RB4, FXO, XRT, RAC, FZ5, UFR, XFR, XRR, FZR, MRT, FBM, FOX, FO8 and BF1
I winz, naow wheres my intornetz !?!
Sarge.