Has anyone ever done a before and after test to see if sanding makes a noticeable difference? Should be an easy test with a multimeter. I've been meaning to get one but haven't yet.
Does the increased metal to metal contact area help? You've already got the screw holding the spring going through the bare aluminum. Just curious.
Does the increased metal to metal contact area help? You've already got the screw holding the spring going through the bare aluminum. Just curious.