Spark plugs

Tiny
STEVEPTM
  • MEMBER
  • 2002 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
I have a 2002 chevy 2500 6.0 the manual calls for a ngk plug @ 0.60 but local mec. Say an ac plug @ 0.40 will do fine. Is this right or will that do any damage please advise me of the right plug and gap thank you
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Sunday, December 26th, 2010 AT 5:51 PM

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Tiny
JDL
  • EXPERT
My info says ac plug, .040 gap
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Sunday, December 26th, 2010 AT 5:59 PM

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