First pic is for the drivers bank, second is the passenger side. Little difference in color. Time for some fresh o2 sensors?
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Stock. Just a daily.What mods do you have. For 9 thats alot of wear.
Mine looked close to that, more of an even lighter brown, with no (or less) oil soot around the thredded shafts when I changed mine at 11,800 miles. Doesn’t look like you have a problem though. This is my first shelby trinity motor, but Ive seen lots of high output engine’s plugs look like that or worse and they ran like a champ. Im not a ford tech or super mechanic, but I wouldn't worry about them at all. I would drive it a bit harder and enjoy!Stock. Just a daily.
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Do you have a short driving distance?Stock. Just a daily.
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No I don't. Run her 30 miles up the highway to work, then 30 back. The gap on one set was a bit more open then the other side. I think they might have been gapped wrong when they were installed. I think one bank was .032 and the other .035.Do you have a short driving distance?