Spark plug gap, what should it be at?... S/C - Page 2 - Cherokee SRT8 Forum

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  #11  
Old 12-06-2012, 06:57 PM
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Mine are gapped at .032 and no issues so far...I would gap closer at .028 - .030 if running more than 12lbs
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Last edited by First Jeep; 12-06-2012 at 07:02 PM.
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  #12  
Old 12-06-2012, 09:03 PM
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I'd recommend .028'ish. That's what we run with our turbo Jeeps and haven't had any issues so far. If you're running 1-10psi, go 1 step colder on the plugs, 11-20psi go 2 steps colder on the plugs. That's what we were told by NGK.
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  #13  
Old 12-06-2012, 09:14 PM
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He gapped them at .030 and felt a big difference already..... He said some were gapped at .026, .035, and etc..... He is running 12.2 psi of boost right now....
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