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Spark Plug Experts: NGK Differences
Hey Guys - Trying to decipher between two NGK plugs.
What is or are the differences between: 1) DCPR9EIX and 2) DR9EIX On others words what do the "CP" letters reference ? Thanks! Yasin |
The P is projected, not sure about the C. The NGK site or brochure is usually helpful.
The bigger question is what are you running a 9 heat range in? That's usually motorcycle territory. |
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Thank you both!
David - the heat range "9" is what is recommended by the manufacturer. Yasin |
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