Posted by John T on February 07, 2009 at 16:21:22 from (98.115.40.108):
In Reply to: High output coil posted by bwood2 on February 07, 2009 at 15:17:10:
What you refer to as a "high output coil" will fire at the same voltage as the old stock coil given the same fuel and compression. Just cuz a so called high voltage coil has the CAPACITY to rise to a higher voltage, dont mean it does so given the same conditions. The plugs firing voltage is a function of the plug gap and the medium (fuel and compression) in which it fires. If compression rises it indeed takes more voltage to fire the same gap distance and its in those real high compression engines where a higher voltage capable coil might become necessary.
Its when you couple up an electronic current switch with a high energy high voltage coil and run a wider plug gap you can realize a wider fatter hotter higher energy discharge spark.
You might see if Pertronix has a high energy 6 volt coil......
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