All enhanced secondary voltage coils do so by flowing more current through the primary winding to develop a stronger magnetic field. Mechanical points can tolerate a maximum current flow of maybe 5 amps. That "Blaster" coil is capable of flowing around 15 amps in the primary circuit. It's intended to be used with a solid state ignition module that does not have points. The points will look like an arc welder if they're allowed to flow that much current. If you use a big enough ballast resistor to limit the primary current to an acceptable amperage, there's no reason not to use a plain old original equipment coil with the correct resistor for that application.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
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