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Quick spark plug question

   
Old 11-04-2012, 02:07 PM
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Default Quick spark plug question
ok ive got a 76mm turbo ls1 engine with stock compression and stock everything else except fuel supply, turbo, and oil pump.
my question is what should i gap my plugs to? and what would a good set of plugs be to get from an auto parts store?
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Old 11-05-2012, 12:29 PM
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NGK TR6 pn# 4177, gapped at .032 to .035. Bob
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Old 11-05-2012, 04:33 PM
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ok thanks, im buying those tomorrow but im going to gap them to .025..thats what my tuner wants me to do.
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Old 11-05-2012, 05:24 PM
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I'm using Ngk br7ef. These are non projected, 2 step colder. Gapped at .028.
16-17psi on my setup.
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Old 11-05-2012, 06:22 PM
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BR7 non-projected tip, gap will depend on boost level.
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Old 11-05-2012, 07:44 PM
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I took my BR7EF's to .026. plannin on 16-20lbs roughly.
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Old 11-05-2012, 09:22 PM
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im doing .025 on mine
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