I run 500k or marine wheel bearing grease in my diffs. I want them to lock up with out having them being locked.
That sux that they sent the wrong part. That's happened to me on a transmitter they sent beck and it was still broke. They ended up sending me a bran new transmitter for free and I got to keep the old one.
Wow, very cool. Well thanks for the info, i just ordered some traxxas 100k from ebay. Keeping fingers crossed that i get the right oil lol