AFAIK every Scout pulley is tapered. It is not really noticeable with the naked eye, but it is there. I think this explains his speed differences.
With that in mind, I cannot see how this would lead to positive results as it would seem the two speeds would be "fighting" with each other.
With that in mind, I cannot see how this would lead to positive results as it would seem the two speeds would be "fighting" with each other.