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Old 07-30-2014, 01:01 PM   #1
savatreatabvr
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Join Date: Oct 2011
Location: phoenix, az
Posts: 508
BIZARRE Spark Plug Color?

Changed the plugs in my 1973 Chevy C20 454 and found a interesting color on one plug! You can see from the pics below that one plug is yellow, and it's actually a brighter yellow than the pic shows. All the other plugs were normal, I even metered them all and they had proper resistance so what would cause only one plug to have such a crazy color?



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