Anyone with NGK TR6 V-Power plugs

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Mar 20, 2004 | 02:42 AM

J Wikoff

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Anyone with NGK TR6 V-Power plugs

How do you like your NGK TR6 plugs? I was doing some research and found that the plugs I had until last summer were 1 range colder, not two like believed (they were Iridium TR55IX). So I was checking out TR6'* and they look just like iridiums, except the center electrode.

What got me looking was my Autolite 5245 (3 range colder) plugs seem to have fouled.

Mar 20, 2004 | 03:10 AM

willwren

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John, our mods are similar. I had the TR55'* (one colder) and they only lasted 3 months. Went to the TR6'*, and I'm into 4 months, and they're looking great.

Mar 20, 2004 | 12:04 PM

BonneMeMN

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Kinda off topic, but can one range colder plugs run a little better then my stock range AC Delcos?

Mar 20, 2004 | 02:08 PM

J Wikoff

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Got KR? If so, then yes.

Mar 20, 2004 | 06:52 PM

J Wikoff

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Just swapped 'em. The Autolites were definately fouled. I may need to lean out the mixture a bit. But I'm gonna put in my A/F gauge tomorrow or Monday to get it right.

New plugs = satisfyling power linearity AND MUCH LESS SHUDDER!!!

I've still got a little that I need to narrow down, possibly ohm check the wires.