Originally Posted by weekendracer_uk
Ok just built two of the new design gear diffs and put them on the scales to see what they compare like to the ball diff.
Gear diff dry 18g
Gear diff oil filled 19g
ball diff 23g
Now you're talking!! So they are really light. Have you compared them with a SpecR or Tamiya unit?
I already have a HMX with two Tamiya diffs but I think I'll buy a second one with the new gear diffs and race my older one in vintage
Please let us know how good they are on the track....