Re: HEI / electronic distributors?
HEI is all-in-one distributor.
Has one wire hook-up, two if you include TACH output.
HEI will fire those spark plugs dunked in oil.
HEI will make a spark jumping a 0.045" gap, as any other design coil will do, but not as long in duration of spark.
Multi-spark is usually not doing multiple sparks after about 2500 rpms.
Multiple spark coils run cooler because of the surface area of the can to the ambient air.
HEI is enclosed in a cap and has more current flowing through the coil making it run hotter in temperature.
Pertronix can be installed in an original distributor retaining the OE look and smaller space due to the external coil.
HEI plug wires are expensive at the initial buy, but will last forever, almost.
These are just a few notes I can think of at the moment.
I'm sure other members will pick up the pace and respond as well.
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