Gear ratios

[Pezzer]

Hi I am now using my 90 Shorty as a land tug for my boats, and have fitted a nice set of 20/10 XDs with 285/55 Aturros. My vehicle sits on 1900rpm at 100kph and labours what gearing should I be looking at to get the correct revs and torque?

[Stropp]

will depend on what ratio is in there now and that will be on the build plate on the drivers side firewall as petrol Diesel year they are different.