Originally Posted by Isaac
Steve W. you have a PM.
Differnce between the F brush and Bill's secret brush?
well my brush will give you more topend and i use purple and red springs
gear doun 1 to 2 teeth . fs realy seem to work well matter what the trake
lay out is. but i will give you a set this weekend see what you think , now
i did run them in my 12scale and it was a riper