What is, "One step colder"? - G35Driver - Infiniti G35 & G37 Forum Discussion

Dec 21, 2005 | 12:01 AM

AmateuRN

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What is, "One step colder"?

I'm not sure. How do they rate spark plugs? I was told to go one step colder, I've heard alot of people doing it once they go FI, but what exactly is 'one step colder'? Can I just walk up into a parts store and thats all I say?

I was also told not to get Platnum and to get Silver or Copper instead. So which spark plugs are good?

Dec 21, 2005 | 12:18 AM

G352NV

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From: Sac town

http://www.forgedinternals.com/store...cat=264&page=1

Dec 21, 2005 | 01:11 AM

badtziscool

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From: Houston, TX

Doesn't the cold rating of a plug state the ability of the plug to retain heat? If it dissappate heat too quickly, then carbon can build up on it and foul it. If it doesn't dissappate heat quickly enough, it'll be come too hot and prematurely ignite the fuel causing pinging/predetonation.

Please correct me if I'm wrong.