Thread: Spark Plug Help
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Old 06-23-2012, 07:46 PM   #6
EHardy1971
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Join Date: Jun 2007
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TR6-4177's are what a lot of the Lightning guys are running (same 2V heads). They're one heat range colder than stock.
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Eric
89 LX Coupe-Juiced
01 Lightning-Boost
06 TBSS
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