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  #1  
Old 06-02-2012, 05:33 PM
phreeride phreeride is offline
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Default Denso iridium plugs

Has anybody run Denso iridium plugs (IKH16)? They claim they are long lasting.
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Old 06-02-2012, 06:17 PM
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GTyankee GTyankee is offline
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Default

I know that the 2009 - 2012 5.7L HEMI does not like IRIDIUM plugs

NGK makes the plugs that are in the Parts Dept.
NGK Standard LZFR5C-11
Laser Platinum PLZFR5B13EG * ( the platinums have been know to melt the coils )
http://www.ngksparkplugs.com/part_fi...uv/results.asp

OR

Champion REC14MCC4 and gap to .040" (1 mm) every 30.000 miles (50.000 km).
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Last edited by GTyankee; 06-02-2012 at 06:29 PM.
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Old 06-02-2012, 06:27 PM
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mopar09 mopar09 is offline
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Default

Have to agree with GTyankee!
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