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08-23-2016
I changed my spark plugs last night, and noticed that one of them was not flat like the rest, but looked melted, or whatever you want to call it. I am just curious what people think of these plugs, and more specifically, what would cause that one to look deformed like it does.
https://drive.google.com/drive/folde...1k?usp=sharing
08-23-2016
how many miles on em? the color looks ok at least.
08-23-2016
5000-10000 miles maybe
08-23-2016
if up to 10,000 they are spent, they dont last much longer then that.
08-23-2016
They don't look that bad. I cant tell from the pictures but the one that is slightly rounded may have a slightly off center electrode causing it to fire more on the side. Again I don't think they look bad at all. I run the Iridium XP 103 plugs and replace them every March. What was the gap of the plugs that you removed?
08-23-2016
I'll have to go look at the gap again to see, but I think it was either .050 or .055. I can't remember exactly. I gapped the new set to .045 at the suggestion of overkill.
08-23-2016
Looks like normal burn, but time for new ones, the 3.8 loves AL plugs, although they need change often.
08-23-2016
I think I forgot to mention I put NGK TR6's in this time, just to try something different.
08-23-2016
NGK are good, I always ran AL 106 in my 98.
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