Boosted Performance single turbo build

Staples

Ahh most people just run the stock plugs, but you're right they're not one step colder.

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'08 Infiniti G37s - Forced Induction Fed

Boosted Performance

That explains the lack of info. when I did a search. Only about 6 threads came up while searching "spark plugs".

I guess the OEM's are fine then if most people run them. I would assume that one step colder plugs are used for big builds, with upgraded rods/pistons.

Staples

The stock plugs in the VHR are one step colder then from the DE motors (rev and non rev-up).

Hope this helps!

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'08 Infiniti G37s - Forced Induction Fed