Originally Posted by
Carl Giordano
For my M03 i run the stock gear diff, packed with diff putty (Hara brand). usually 70 density as they make a 45 which use for cooler weather. I always add an extra shim on one side of the internal gears to tighten the diff action. I will share photos later when I get home.
Can you explain the theory behind running a gear diff with putty over a ball diff? I'm curious about that.
And who painted the body? Nice!