Posted by John T on February 07, 2009 at 20:19:38 from (98.115.40.108):
In Reply to: Re: High output coil posted by relaurain on February 07, 2009 at 16:29:08:
Youre right, it might?? foul less BUT ONLY FOR A WHILE UNTIL THE POINTS BURNED UP (thats if you increase the current draw). Points can switch around 4 amps (and still have a decent lifespan) or so but if you increase the coil current by using a high energy coil that draws more amps, they will burn up quicker. Thats why its best to use an electronic switch which can handle more amps then points were designed for and when its matched with a high energy high voltage coil and a wider plug gap is used THEN YOU GET THE REAL ADVANTAGE and get all the bang for the buck an elec switch and high energy coil have to offer....... Sure one can widen the plug gap with a stock coil and perhaps gain some improvement, but the laws of physics and conservation of energy apply and theres only a fixed finite amount of energy stored in the coil during its conduction cycle and thats alllllllll (less heat losses) the energy available for discharge across the plug gap. Therefore, if you widen the plug gap increrasing the firing voltage, then either current or the arc duration time decreases since the energy discharged is volts x amps x time..
Dont get me wrong THERES NO HARM in running a high voltage coil if it doesnt draw much more current then the points were designed to switch although it still fires at the same voltage as the stock coil if compression and gap remains the same. Its just that if you use coils that draw more amps the points will burn up prematurely
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