Originally Posted by
lee111m
Pretty sure it won't because they've moved to metric.
B4.1,2 Diff outdrives are already metric (10*16mm) I use it on a Bmax2 car thats all metric.
The idler gears could be bigger in dia? I know they were a weak Point on 4gear boxes.
But have they changed the diameter of the diffgear to ?
To race this on Astroturf you will need a geardiff for good lap-times (1 sek a lap) and a ball diff wont last a day on a high-grip astro track...