Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - How does this spark plug look?
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Old 07-25-2010, 09:41 AM
Dajerseyrat Dajerseyrat is offline
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See how the difference in opinions on the color of the plug vary...I would invest in a nice Widband O2 sensor like a Innovate brand, or AEM...These will allow you to bring a laptop to the track and log the pass in real time, then go back and look at the data of the A/F..

I personally like my pump gas N/A cars in the 12.5-13.0 range for power and safety..
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