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Spark plugs for ls3?

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Old Sep 3, 2020 | 10:52 AM
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Default Spark plugs for ls3?

What is everyone running for plugs for a boosted ls3? Right now I have a 5.3 that’s boosted and Running NGK BR7EF plugs now and was wondering if they would work for my 6.2? Thanks in advance👍
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Old Sep 4, 2020 | 06:36 PM
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If you're over 700 wheel on an M6 LS3, run the 7 heat range. Under that, run the 6.
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Old Sep 4, 2020 | 09:14 PM
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TR55’s or TR6, gapped .040
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