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Re: Need some help reading my plugs
Proper heat range will show as a band about the 45 degree mark on the grounding strap, then the plugs are right heat range.
Typically a white insulator (ceramic) = leaner. Black specs on insulator=detonation, again it is all relative to how/when you are sampling.
1 heat range colder at 12psi is probably a bit towards the cold side on pump gas, but you are probably fine. You may run out of fuel pending how the system flows up top, and you'll know when you hit fuel cut with that MAF.
Get a WB in there and a logger, upgrade pump/injectors/maf and have fun!
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My street car runs low 11's and my race car's personal best is a mid 11....
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