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What temp/gap plug for 12:1 CR?

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Old 10-05-2005, 12:33 PM
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Staging Lane
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Question What temp/gap plug for 12:1 CR?

I'll be running about 12:1 CR on my H/C setup. I was using TR55's gapped to .055". Considering my jump in CR, I was thinking it would be wise to move to a colder temp plug like the TR6 and going for a gap of .035-.040" figuring this will help stomp out the chance of detonation and give me a cleaner burn.
(to assist with detonation, valves/chambers/ports are coated and quench is set to .035")

Input?
Old 10-05-2005, 01:07 PM
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I would get tr-6's gapped at .035




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