Same Heat Range Spark Plugs

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03-25-12, 11:05 PM

HDP

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Same Heat Range Spark Plugs

Is it ok to run 4 of the same plugs in a NA? i.e. all 4 BUR7EQP

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03-26-12, 12:41 PM

RotaryEvolution

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not recommended, neither are platinum plugs.

you can run them the same range but not that hot of a plug and only in turbo applications pushing ~300+ whp, where you need colder plugs.

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