Originally Posted by
tfrankito
would swapping out the .4 front and rear diff on the .3 do anything? I know I would have to gear down on the pinion. would there be a performance advantage?
The claim is that it is more efficient with less rotation of the centerline drive train gaining some battery drive time. While this may be true, you can get similar gearing on the .3 car by going up in pinon size.