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What would cause fouling on just half of the spark plug?
I was having issues with my newly installed “Hecho en Mexico” base GM Goodwrench engine. I’ve put about 1500 miles on the truck since the install and it was missing and running rough. I pulled the spark plugs after double checking that the timing was at 12 degrees and found that number 1 was...- BMac Attack
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- Replies: 46
- Forum: Engine & Performance
