Spark plug help????
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Spark plug help????
Hi guys
It's time for me to change my Z's spark plugs. I would like to know if installing 1 step colder spark plugs on a NA Z will help to improve performance (a little bit .
What are the best spark plugs that I could install on my car???
thanks
It's time for me to change my Z's spark plugs. I would like to know if installing 1 step colder spark plugs on a NA Z will help to improve performance (a little bit .
What are the best spark plugs that I could install on my car???
thanks
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On a stock engine going to a colder plug will actually hurt performance if anything because it's more likely to foul a plug. The colder heat ranges are used for F/I applications or nitrous to prevent detonation. There is no performance gain from a colder plug, you want to run as hot of a plug as you can without detonation.
Use the OEM heat range, go with NGK.
Use the OEM heat range, go with NGK.
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