Stock heat range or + 1???
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Joined: Jul 2002
Posts: 128
From: Westwood, CA, USA
Stock heat range or + 1???
Whats the story of putting plugs that are one or 2 heat ranges above stock. I understand the reasoning behind it, hotter plugs get a better burn of the air/fuel mixture. Is this going to hurt my engine, and give me any noticable gains?
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