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Burnt Plugs? 1 Attachment(s) All the plugs have a caramel ring at the base of the porcelain. is this normal? Pulled them at 15k miles to do a compression test (which was 170 across all cylinders). NKG 3787 gaped to .28. The only mod I have is a stage 1 98 tune (OTS Cobb). |
It is not uncommon to see that, and does not mean the plug is "cooked". I recommend setting the gap to .026" . CHEERS! |
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