well i've shimmed my diff's and i gotta say WHAT a difference! they are silky smooth! :yipi:

my diff's consist of RD logic's inner & outer case's, RobinsonRacing hardened ring & pinion and E-maxx spyder gear's.....

the shim's i ended up using were HPI Z892 and associated no.6373.

i needed to add 4 shim's on the bearing side opposite to the ring gear and the pinion needed a couple shim's as well.

thnx :mdr:

good to hear. i still need to get off my ass and do it too, i've got the shims, just lazy you have inspired me.:lol:

:lol: you're welcome :intello: