Thread: spark plug heat range
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05-13-2007 05:15 PM #2
To add to Denny's post, Remember that NGK reverse's their numbers. Higher is colder. Lower numbers are hotter. FYI. (Thank's Denny, didn't mean to step on your toes).What if the "Hokey Pokey" is what it's really all about? 





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I bought the 76 in August , but haven't been able to work on it. When I get a chance I'll post some pictures.
Corvette Resurrection?