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Spark Plugs fouling

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Old Oct 18, 2010 | 09:06 PM
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Default Spark Plugs fouling

I am on my 3rd set of NGK TR55 plugs and they are fould out again. I have 01 SS with all bolt on mods and Dyno tune but Ithe plugs are fouling out after like 5000 miles. The first set I though no big deal, 2nd set I found burned up after I wad a wire burn through, 3rd set now are burned up again and starting to misfire on wot runs. Does this a problem with the tune or what I'm confused why this keeps happening.
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Old Oct 18, 2010 | 10:59 PM
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Can you post pics? Are they melting or are you running too rich or oily?
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Old Oct 19, 2010 | 07:29 AM
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They are really burnt and black, seems to be running rich. At wot or anywhere close engine is backfiring and losing power, almost not driveable but its only been about 7-8 thousand miles since I replaced them, wires are new and secured tightly. I'm stumped!
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Old Oct 19, 2010 | 05:42 PM
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Problem seems to be somewhat related to air temperature, tried but could not duplicate problem today with temperature in 70s and it has only been happening at night or early in the morning when around 50 degrees or lower. Could possibly be a tune issue but it was tuned by Nick Williams so I dont know?
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Old Oct 19, 2010 | 05:50 PM
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Post a picture of the plug, and what gap did u start with?
If their just burning off after 8000miles at a 1mm gap i would say that would be normal.
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Old Oct 21, 2010 | 06:00 PM
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Camera not working, no pictures. Spark Plug gap was not adjusted when installed NGK TR55 right out of the box, are they pre-gapped at different levels or should they be adjusted for a full bolt-ons setup? Also I have noticed my battery is very weak, could low voltage cause spark issues?
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