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Unread 07-20-2012, 06:55 PM   #1
QuadraTokn
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1930 WJ 
 
Join Date: Dec 2006
Location: Chicago, IL
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2009-2010 5.7l spark plug type?

wkjeeps.com says NGK #LZFR5C11G but I want to make sure those are the most optimal.

I haven't found any talk about the NGK plugs on JF, only talk about the Champion Copper plugs for the 2005-2008 WK.


So do you guys notice a difference with the NGK plugs, or do you put the copper plugs in your 2009-2010 WK?

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Unread 07-21-2012, 07:56 PM   #2
10Xk
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They (NGK) are copper and OEM. They switched from champion to NKG on the 3rd gen hemi. Its in the owners manual.
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Unread 07-25-2012, 01:56 PM   #3
QuadraTokn
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Quote:
Originally Posted by 10Xk View Post
They (NGK) are copper and OEM. They switched from champion to NKG on the 3rd gen hemi. Its in the owners manual.
So the NGK's are copper?

Is a 2009 5.7 WK the third gen?
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Unread 07-26-2012, 07:51 PM   #4
10Xk
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Yes, look in your owners manual. It has the part number of the plug and gap. Call NGK, 8774736767. They where very helpful.
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