Hoter spark plug
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Hoter spark plug
I would like to change spark plug on my ranger 4.0L 1999. I would like to put hoter spark plug. Actually there are NGK TR55GP. I looked on NGK web site to know the the number of new one. I found a chart but it is not verry clear for me.
You can find this chart at this address
http://www.ngksparkplugs.ca/documents/partnumberkey.pdf
I seem to be the first number that determin the Heat rating. Scale seem to be between 4 and 6. Can I chose number TR65GP ?
You can find this chart at this address
http://www.ngksparkplugs.ca/documents/partnumberkey.pdf
I seem to be the first number that determin the Heat rating. Scale seem to be between 4 and 6. Can I chose number TR65GP ?
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