Quote:
Originally Posted by stampede vxlboy
sorry guys i should of said it a madrat with a rb5 diff spur gear slipper pads . anybody could tell me what size spur gear i should use with a 5.5turn motor spur gear sizer are 78/81/82/86/90
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this totaly depends on your pinion i would go with the 81T spur and a 19T pinion