]Hi, i've got an astra mk4 1.8 sxi which is the z18xe engine and i was wondering could anyone tell me a) what gearbox it has already? b) what would be a good upgrade and where could i get one?
I want longer ratios as i think at cruising speed it revs a little high. 65mph=3000rpm.
Also, i could get a gearbox from a calibre 2ltr 8 valve, would this fit and be an improvement.