I would like to fit a 2.0 litre 8 valve DOHC 1989 engine to a type-9 gearbox instead of the normal MT75 gearbox, I belive that the lack of a speed sensor on the gearbox will not effect the ECU (comments wellcome), but what clutch to use. 2.0 DOHC, 2.0 OHC, or DOHC cover and OHC plate?