One among others, of the reasons primary current (coil + any ballast) is limited in Kettering points and condensor ignitions is to limit the current the points have to switch to around 4 amps and under otherwise they burn up too quickly. That would be like at least 1.5 ohms at 6 volt or 3 ohms at 12 volts HOWEVER the whole system (points, coil, condensor) comes into play engineerign wise so if properly designed (to handle current and heat etc) there no reason the figures approximated above have to be exact i.e many 6 volt coils are around 1.25 to under 2 ohms and many 12 volt are 2.5 to 4 but nottttttt alllllllll of them.
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Today's Featured Article - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
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