Actually, it involves welding up the slots the weights move in a little, and re-curving the centrifugal advance- - - -used to do it on the round track cars all the time, but I had a Sun distributor tester and a delay-flash timing light.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!