The other stuff - 1300cc, EFI...
Just stamp them on as well
Make up a plate big enough for anything you feel like
Make up your own definitions
CC - is coulombs/sec at condition C
EFI - is Electronic Flame Interruption - also known as brush advance
If the rest of the car is neat and safe looking and you don't piss the policeman off you should get away with it
(If you piss off the policeman he WILL find something wrong with even a brand new vehicle)