RE: Has anyone had to shim differentials?
shiming diffs is part of the hobby...whenever I get a new rc I always tear them down and put fresh lube in the diffs and make sure everything is ok...after you run them awhile you will find yourself going back and shiming them up...ya need to remember these are put together by humans and humans make mistakes...not always is the diffs properly shimed...
alot of people confuse rtr as take it outta the box and run it....what it means is most things needed for it to run aposed to the kits are included...you still need to inspect stuff and make adjustments and look for something the people putting them together missed