Iridium spark plugs - which brand

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Dec 10, 2008 | 11:15 AM

#11

newmexicoram

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Joined: Sep 2008

Posts: 313

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From: Rio Rancho, NM

Do both engines, (N - J) 4.7 use the .044 gap?

Dec 11, 2008 | 02:52 PM

#12

SilverGhost1

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Joined: Feb 2008

Posts: 851

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From: San Diego, CA

that gap required is on the stick on the underside of your hood. For the V8, the gap is .040.

Dec 11, 2008 | 07:04 PM

#13

coondog05

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Joined: Feb 2007

Posts: 419

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From: stafford springs CT

the iridiums are pre gapped for you. .044.... there diffenernt than copper plugs... if you check them, be very careful! there way thin!!!

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