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Discussion Starter #1
I've always run ngk plugs in my vehicles and wanted to do so with my jeep. The trouble I'm having is that since I'm having pinging issues due to advanced timing with my superchips programmer, I wanted to try a spark plug that was one heat range colder, but when I change the part # to one that is one heat range colder, they don't show anything under that #, no matter if its their VPower, Platinum, or Iridium plugs. Has anyone here gone a heat range colder with their plugs? if so, what plugs did you go with?
 

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Have you called or contacted NGK?

I've been running the tow tune with 87 and haven't had any pinging


Sent via paper airplane
 

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NGK Part # PLZTRA-13 laser platinum

the stores do not seem to list them for anything above an 08

Put these in mine and runs great!
 
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