Originally Posted by
M-Technic
I can't wait until Xray releases their official T3 diff. I ran Spec R diffs in my Tamiya last year and wasn't happy with them. They leaked and made a mess of my chassis.
Until the Xray diff is released you can try the following with the Spec R diff. Apply green slime to out drives and place a very thin shim on top of the oring. The shim helps the oring expand and prevents leakage. Since I did that I have not experienced any leaking.