I have an 1987 Defender 90 with an 200 TDi Disco engine transplant and a LT77 original gearbox retained together with the 1.4 ratio LT230 transfer box.
I want a 1.22 ratio (Disco) transfer box and have found one, but it comes from a Disco 1994 (i think) with a R380 gearbox. Then I can do 60mph...