i break motors in at 1.5-3 volts,
you should not have a problem using those brushes, but if you know someone with a serrator.. serrate them... if you don't... use a pencil eraser to get them as clean as you can...
if you have a auto store near you, look for a 3m rust spor remover, these ARE the fibreglass cleaning sticks trinity no longer sells. they work great for cleaning a brush so it slids in the hoods, and it's contact surface as well.
Last edited by MManson; 09-04-2005 at 06:32 PM.