Not sure if this will help or not but I like to refer to this whenever I have to focus on my diffs.
http://www.redlineracingrctrack.com/...php?f=11&t=850
Losi 8B 1.0, Tekno V3, Direct-Drive, 13/48, RX8, T8 1400kv
Losi 8B 1.5, Tekno V3 w/clutch (3-shoe), 14/48, MMM, Neu 1512 2Y
Losi 8T 2.0, Tekno V3 w/clutch (3-shoe), 14/48, MMM, T8 1550kv