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I tried this plug from the recommendation of Mike's Hobby in Porter, TX. The issue I was having was my C6 would not idle, unless the low speed needle was extemely lean. Also the motor would mysteriosly die when burping the throttle. If you left the exiter on, it would be just fine. I intended to be a #5 plug to see if this would correct the problem. I put the #6 Ultra plug in and problems went away. I ended up richening the low speed to where it should be, and the motor idle just fine and wouldn[More…] |
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Verified Owner
