Spark plugs need help

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12-27-2011, 06:21 PM

Half-bred

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Spark plugs need help

What plugs are people running in their truck for a turbo app making around 10lbs of boost, I heard tr6 and run the gap around 28-30. Please help

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12-27-2011, 09:05 PM

terravast4

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sounds about right

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12-27-2011, 09:06 PM

Mangled03gmc

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Yep thats about rite.. Hell I am still running stock tr-55s with the gap tightened up a touch.. Runs fine..

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12-29-2011, 04:48 PM

guero68

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same here tr6 on about 7lbs no issues...used to make 10lbs on the 5.3 still used tr6 in that too

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