its a rb576spur gear the pinion will have to be about 15pinion i got told but not sure on the spur. i will try it with pinion gears first and the spur . its the same ration as the b4 and that a 81spur gear and 20 pinion gear . can i use the slipper plate of the madrat with a b4spur gear and slipper pads
thanks jimmy
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