Posted by jdemaris on December 30, 2010 at 10:21:53 from (67.142.130.14):
In Reply to: Coil 6v or 12v?? posted by Mr. Mayor on December 30, 2010 at 08:26:57:
Just adding to John T's comments with a few specs.
Coils need to make good spark at 9 volts in a 12 volt system, not 12 volts. The vast majority (90 %) of coils used in OEM 12 volt systems are what many here call "6 volt."
Ignition coils I have checked:
1992 Subaru 12 volt breakerless: 2.4 ohms primary
NAPA IC-12 Echlin 2.1 ohms primary, 8.9 ohms secondary made for no external resistor
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