gearing

[dar2012]

Hi me and my boy are taking an excursion into 4wd off road from touring car .
Will be running indoor over the winter .
Not got a clue on gearing will be running one on 13.5 non boosted. And one on 10.5 non boosted as that's what we have already
Anyone got a starting point for FDR
Thanks

[buggy#0]

There are a few free apps that can calculate it for you, but you need to enter the internal ratio. Just google it and it will come up. Then enter your pinion, motor etc and it tells you! If you can't get any apps, just google the gear chart for your car and print it off. A good website for that would be petit rc.

[dar2012]

Hi sorry what I meant was any idea what FDR I would need
For my touring a 13.5 is around 6.5 - 7 would it be the same in a 4wd off road

[bigred5765]

in offroad you gear the car to suit the track, fdr can vary from motor to motor track to track and speedo to speedo,