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spark plug gapping???

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Old 12-19-2008, 12:55 PM
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Default spark plug gapping???
im changing my spark plugs...witch would be the best or requierd gap i should put??? (on my 5.3)
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Old 12-19-2008, 01:16 PM
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looks like your N/A?

TR55s gapped at .060"
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Old 12-20-2008, 02:52 PM
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What kind of plugs did you go with, it makes a difference. If copper plugs (like NGK TR55), go .055 to .060, if platinums, the gap should be .060, if iridium, I believe that the gap is .045...
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Old 12-20-2008, 03:10 PM
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hmmm....all my gaps are wrong then on my trucks. Oops I guess I will be changing the gaps
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Old 12-20-2008, 06:54 PM
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I guess mine are wrong too, TR55 coppers gapped at .040
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Old 12-20-2008, 07:36 PM
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TR55 @ .055 here
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Old 12-20-2008, 08:23 PM
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Originally Posted by Fireman31
I guess mine are wrong too, TR55 coppers gapped at .040
Yea, that gap is too tight...that sounds like the iridium spec...
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Old 12-20-2008, 08:51 PM
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That is what mine is at I believe
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Old 12-20-2008, 09:50 PM
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TR55 here too @ .055
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Old 12-20-2008, 10:59 PM
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NA with tr6 @ .035. LOL
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