Maxima Forums - DENSO Spark Plug Heat Range 16 vs 20.

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brianfu777

10-04-2011 10:26 AM

DENSO Spark Plug Heat Range 16 vs 20.

Hi guys..
I'm planning to get some Denso Long Life Iridium plugs for my 2007 Max SE.

But various sites recommend SK16HR11 or SK20HR11..

I'm not sure which heat range to use. Does anyone with insights to share?

Appreciate it. Thanks.

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