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Ngk tr5?

Old 01-24-2011, 09:41 AM
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Default Ngk tr5?

what's the best gap for a NGK Tr5 plug on a stock engine?
Old 01-24-2011, 10:02 AM
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stock gap, and you need NGK TR55
Old 01-24-2011, 10:14 AM
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thanks, but whats the difference in the tr5 and the tr55?
Old 01-24-2011, 10:35 AM
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Originally Posted by alexus6798
thanks, but whats the difference in the tr5 and the tr55?
I asked this previously, I get the feeling it should be in a sticky somewhere since TR5 is a much more common plug, but there is no difference between TR5 and TR55 except the gapping it comes with. As for gap, the general consensus was .055
Old 01-24-2011, 10:52 AM
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T55 vs TR5 was just a gap difference out of the box. You can run either. I'd recommend about a .050-.055" for your combo!
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Old 01-24-2011, 11:29 AM
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thanks Duke and Matt. Much needed information. Just ordered some Tr55 and will gap at .055.


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