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NGK tr-55's?

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Old 02-11-2003, 04:26 PM
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Default NGK tr-55's?

Are they that much better than stock? What do I gap them at? I'm putting in headers next week.
Old 02-11-2003, 05:25 PM
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Default Re: NGK tr-55's?

I run TR5's. It's also hot here most of the year but some folks use TR6's in the winter & TR5's in the summer. I don't know anyone that uses the TR55's but know that you can depending on your spark needs.
Old 02-11-2003, 06:54 PM
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Default Re: NGK tr-55's?

Why would you use TR6s in the winter? They are a colder plug...

TR55s are stock heat range and come gapped at .059. I use TR55s and I like to gap them about .055 <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Old 02-11-2003, 08:24 PM
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Default Re: NGK tr-55's?

Yeah, what RPMWS6 said!
I too run the TR55's gapped @ .55
Great (hot) plug. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />




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