I was wondering would it be possible to swap 5th out of a diesel gear box such as a 1.7 sdi gear box and install the 5th gear into my 5 speed lupo gti gearbox so I can have a longer 5th gear? I haven't seen anyone else post about it so I'm wondering if it is possible to swap or is there another way around it??? Would be great if someone could get bavk with a answer, cheers.