To keep an 8V battery charged properly, the regulator had to be set to 9.25 volts or so. That was rough on bulbs, particularly headlights. Very few 8V conversions got set up properly, and the ones that did had problems with burned-out bulbs and short point life..
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!