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#13: 02-16-2013, 01:33 PM
DOHCEJ22E1's Avatar
Title: Monkey
Location: Brooklyn, CT.
Car: 1996 Subaru Legacy LSi.
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This thread now has my attention.
$15 & a more complete burn can be had?

I have one of those "fancy MSD coils" so I'm wondering how that would affect these non resistance plugs that you speak of (coil puts out 40k volts but amps I am not sure).

So what is the type of metal that these plugs have so that the electrode at the ends do not get eaten away? I have copper plugs & my MSD is chewing on them like you wouldn't believe.

Also, if there is too much of a spark, I would think that would mean an increase in octane so that the combustion chamber would stay cooler to avoid detonation but if anything I am saying is not making any sense, please let me know.

I'm just working off my basic understanding of how spark, air, & fuel come together for combustion.