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2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Spark plug gap?

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Old May 29, 2008 | 11:50 PM
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From: colorado
Spark plug gap?
what do i gap my plugs at i will be putting in one step colder plugs and i dont know what to gap them to help plz.
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Old May 29, 2008 | 11:52 PM
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Start at .040 and work from there...it will probably be lower than that
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Old May 29, 2008 | 11:54 PM
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From: Methuen, MA
.035
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Old May 30, 2008 | 12:01 AM
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Thanks i have heard .030 but i guess ill just have to try all
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Old May 30, 2008 | 12:19 AM
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.030 is a little too small of a gap for my liking with only your mods, but try them all. I personally would not go below .032, but idk
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Old May 30, 2008 | 01:35 AM
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I started from .42 and worked down to .32. It's trial and error , every car has its own sweet spot . I'm at .36 now and its good but i have run a .33 for awhile .
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Old May 30, 2008 | 01:27 PM
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bump

just an up date my stack gap size was .038 and i gaped to .035 everything is doing ok o thanks for thoes who helped!
Last edited by Cyclone; May 30, 2008 at 01:27 PM. Reason: Automerged Doublepost
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Old May 30, 2008 | 02:02 PM
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i gapped mine at .40 an its smooth...but i'm rich as hell...think i needa closer gap?

bump
Last edited by LamboW9; May 30, 2008 at 02:02 PM. Reason: Automerged Doublepost
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Old May 31, 2008 | 01:53 AM
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Originally Posted by LamboW9
i gapped mine at .40 an its smooth...but i'm rich as hell...think i needa closer gap?

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If its smooth leave it alone. Changing the gap isnt going to change anything in the richness of the tune .
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