Quote:
Originally Posted by Bernica
That is correct. I used to rub the tip of the rotor down with some steel wool from time to time and use emory cloth to sand the faces of the contacts in the cap to ensure a good arc.  |
We've all done that, I learned to do that as a young mechanic.
Believe it or not, a small corrosive buildup on the terminals is still a better conductor than air.
So scraping terminals is a no-no. More frequent inspection and replacement of cap and rotor is the go.