HEI Canister Coil

The HEI system is designed to use a low primary resistance coil and the HEI e-core coils have 0.5 ohms of primary resistance.  Very few (none that we could find) canister coils have a primary resistance this low but the HEI system works fine with ancient points coils (like the 1.5 ohm NAPA ECH IC12 coil).  If you have a choice, use an oil-filled coil instead of an epoxy coil for better heat dissipation. If you're going to continue using a canister coil in your HEI system, you should be able to continue using the coil wire set that's specified for your engine.

Canister coils with a low primary resistance are:

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Pertronix Flame-Thrower II 45,000 Volt Canister Coils (Chrome), PN 45001

0.6 ohms
primary resistance
Pertronix Flame-Thrower II 45,000 Volt Canister Coils (Black), PN 45011

0.6 ohms
primary resistance
Pertronix Flame-Thrower II 45,000 Volt Canister Coils (Black Epoxy), PN 45111

0.6 ohms
primary resistance
Accel High Vibration Super Stock Coil, PN 8140HV

0.6 ohms
primary resistance
Accel Super Coil, PN 140001

0.7 ohms
primary resistance
MSD Blaster 2 Coil High Performance Coil - RED (PN 8202)

0.7 ohms
primary resistance
MSD Blaster 2 Coil High Performance Coil - BLACK (PN 82023)

0.7 ohms
primary resistance
Standard Motor Products, PN UF6

0.80-0.89 ohms
primary resistance

 

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