It"s all about dwell time and magnetic saturation . A standard coil have enough capacity to spark a V8 at 5500rpm. No problem to handle a four banger running 2000. The coil is fully saturated long before the next spark is required. There is a limit to coil saturation, after a point more is not better. The gain in energy and increase in voltage with electronic switching vs mechanical switch. It"s the instant and abrupt inturption of primary current that obtains the fastest instantaneous collapse of the coil"s magnetic field. Points dribble, arc and sputter which slows the collapse of the magnetic field. Voltage, current and power is all about quicker switching.
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Today's Featured Article - Product Review: Lead Substitutes - by Mike Schordine. Lead was oriinally added to gasoline as an upper cylinder lubricant. It lubes the valves and seats. If you rebuild the motor, you could use hardened seats and valves, and unleaded fuel. But if your old tractor runs good, a simple lead substitute added to the gas is a perfectly reasonable solution. And, if you are like me, your tractor is under cover, but it sits outside. So with every temperature change, the humidity in the air collects in the fuel tank, in the form of water.
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For sale Farmall super A tractor is complete and has just been setting for awhile,it was running when pulled out of the barn,shouldn’t take to much to get it going asking 1100.00
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