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Proper Spark plug gap?

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Proper Spark plug gap?

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Jan 29, 2008 | 04:01 PM

#1

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From: Huntsville, AL

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Proper Spark plug gap?

98 LS1
160 Degree thermostat
essentially stock
I've read .035 to .05 What is a good gap for the stock LS1 heat range with TR55 Plugs.

After a third search, I'm seeing a recommended .05 to .055 for a stock engine.

and a .035 for small nitrous shots.

Edit: Mine came in at a .057 gap. I think I'll go with that.

Last edited by OMGWTFBODY; Jan 29, 2008 at 04:17 PM.

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Jan 29, 2008 | 05:19 PM

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From: Jacksonville, FL

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I have the NGK TR55 V power plugs in mine gapped at .055 You should be fine.

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Jan 29, 2008 | 05:25 PM

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Just double checking. It never hurts to be safe.

(except maybe the first time)

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Jan 29, 2008 | 11:10 PM

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If you spray it, use TR6s gapped around .035-.038

You'll be fine with the TR55s with a gap between .050 and .060

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160, gap, ls1, plug, spark, stock, thermostat

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