front sounds like spiders, rear sounds like pinion/spider.. not tearing it down for a while..
all the diffs in the past were either or.. don't remember off hand, but i know i've destroyed a few ring/pinions, as well as quite a few spiders.

but.. I bought linc's tc3, and a 380c, i'm gonna go tame 1/10 till I find a bullet proof 1/8 setup =\.