James, Youre right, theres not a thing wrong with carbon core suppressor (resistive) wires in todays modern cars whatsoever, they were designed for use of such wires especially to reduce radio frequency interference. Of course youre dealing there with much higher energy ignitions then our beloved old tractors.
The thing wrong with them in our old low energy ignition tractors is that they waste some of the limited and precious energy in the form of heat (I squared R losses) VERSUS that energy being discharged across the plugs gap (volts x amps x time) when it arcs current between its electrode and ground strap. Sure they may help eliminate radio interference in nearby radios, but the price you pay is discharging some of the coils energy in the wires versus the spark plug gap.
NOwwwwwww its not nearly so critical in a battery powered coil ignition then in a magneto ignition and sureeeeeeee youre also correct a tractor like yours or anybodys can perform fine with those resistive wires BUTTTTTTTTTTTTT the laws of physics and the conservation of energy cant be over ruled soooooooo although they can run fine THERES STILL MORE SPARK ENERGY DISCHARGED ACROSS A SPARK PLUG GAP IF THE WIRES ARE NOT (or less) RESISTIVE. The coil only stores x amount of energy when its conducting current and thats the energy thats available for dissipation when the coil fires, so its just a matter of choice if you want most of it discharged across the spark plugs gap or some of it wasted as heat energy in resisitve plug wires.....In my old tractors my choice (from an engineers perspective) would be across the plug gap, but to each their own and whatever floats ones boat is fine by me, YOUR TRACTOR YOUR CHOICE is my thinking. CAVEAT, some of the high energy electronic ignition systems may require some limited ballast either in wires or plugs and if so DO IT PER THEIR RECOMMENDATIONS AND SPECIFICATIONS, but Im talkin about our old original lower energy standard ignition systems here remember
Fun discussion, hope this explanation helps others in deciding what wires to use
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Today's Featured Article - Antique Tractor Solvents - by Curtis Von Fange. Solvents play an important role in keeping our tractor clean and running efficiently. There are many different types that can be used for external and internal cleaning of the various tractor parts. Being aware of the different types of solvents will make any cleaning job go easier because one can select the correct cleaning agent for the task at hand. Let’s take a quick look at what is available and readily used in the solvent larder of our shop environment. The most universal solvent in
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