Originally Posted by redsand
What viscocity did you finally end up with ?
Om Redsand, the diff housing (in volume) is particularly smaller than other brand such as kyosho or mugen. It will feel (very) slightly lighter with the same oil (30000wt is common for JITC to start with). They uses ball bearing between diff housing and drive cup to eliminate friction wear. It comes assy but no oil yet inside.