Quote Originally Posted by smirk-racing View Post
Seems a lot better all around. I had the original transmission case (which was fine) and the sealed differential (which was ok). I never understood why it was 3 pieces (instead of 2, like this new version) and the fitment was a tiny bit off (few mm). I also felt like the sun and planet gears were not quite up to 4s and big motors, but the Traxxas spider gears should be ok. I also use to run very high weight oil to get diff action with the sun and planet gears. The bevel and spider gears should work with 'normal' oil weights.
Iíve got the original diff and case for sale, lol.


Somehow builds are never done....