Posted by John T on March 29, 2009 at 17:09:25 from (66.244.97.31):
In Reply to: points posted by kendak on March 29, 2009 at 16:56:59:
Heres the deal, an advantage of an elec switch is that it can switch n handle more current then points were designed for. Therefore with an elec switch one can pump more current through a high energy coil to get a higher energy spark. Soooooooooo if the new primary circuit (coil + ballast) has less ohms total resistance then say 3 ohms (stock full true 12 volt coil) and draws more then around 4 amps (near what a stock system may draw) there may be more current being switched then the points were designed for sooooooo they burn up faster.
Another cause of premature points burn up is no conednsor or a weak condensor or one mis sized.
You really need to know the resistance of that coil you have and the ballast ???????? If its total (coil + ballast) is around 3 ohms THEN THATS NOT THE PROBLEM BUT IT ITS FAR LESS THATS WHY THE POINGTS BURN UP QUICK or else the condensor is bad or mis wired.
Id try the old regular full true 12 volt coil or else a 6 volt coil plus ballast n see how the points last and insure the condensor is good n wired right also. CHECK RESISTANCE OF THAT PERTRONIX COIL AND BALLAST ALSO with that info I may be able to help more
Perhaps that coil was the cause after all???????? If you had a dead short versus the regular coil and ballast resistance that may over current the elec switch !!!!!!!!!
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