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07-27-2011, 09:51 PM
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Senior Member
Join Date: Jul 2009
Location: goose creek sc
Posts: 818
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spark plugs
i am looking to change the plugs in my roots supercharged 2v 4.6. i run about 14# of boost. what plugs/gap are you lightning and cobra guys running? i am thinking of using ngk tr6 but not sure.
thanks
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  02 lightning all stock 99 mustang gt Tork Tech terminator kit making a little boost |
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