Spark plug gap .060 or other?
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Join Date: Nov 2004
Location: Franklin Ky.
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Spark plug gap .060 or other?
I was told by a guy at TEA that does the dyno tunes on the LS1 cars to use NGK TR55 spark plugs and MSD wires, before I got my tuned. He said to gap them at .045. Have any of you guys gapped yours at .045 and if so why not gap them at .060 like in the manual? I'm just wondering what the smaller gap does possitive for the engine before I install new plugs. Thanks for any help.