Formula for determining proper spark plug
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Formula for determining proper spark plug
I currently have some NGK spark plugs which are one stage colder. A while back I came across a thread which had a formula or horsepower range for determining when a two stage colder plug would be required. I cannot find this thread, and I looked for this information on the Net but had no success.
Can somebody please tell me what the formula/range is for determining the proper plug? I have a feeling I should be using a two stage colder plug. Thanks in advance for your help!
Can somebody please tell me what the formula/range is for determining the proper plug? I have a feeling I should be using a two stage colder plug. Thanks in advance for your help!
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Originally Posted by ideugene,May 3 2007, 05:31 PM
Looking at the power you're making, I'd suggest a plug that's 2 steps colder.
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If I go with a plug that is 2 steps colder, I am thinking of these:
http://store.summitracing.com/partdetail.a...15&autoview=sku
http://store.summitracing.com/partdetail.a...15&autoview=sku
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Originally Posted by brainwo,May 3 2007, 06:42 PM
stock plugs are heat range of 7 already.. you might want to look into Denso IK24, IK27 or colder.
http://store.summitracing.com/partdetail.a...15&autoview=sku
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