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Old 04-17-2013, 10:10 PM
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Join Date: Sep 2008
Location: Stuart, FLA
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Engine: 2011-20?? 409ci (6.7L) Cummins Turbo Diesel 350hp 800lb/ft
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For every 100 HP gained you need one step colder plugs, you might want to look into Brisk non projected tip plugs


I have run a nozzle, plate, and now a direct port and for those who love spray, its the way to go. I would say you could hit it with a 125 shot on a stock block but wouldnt go higher... I would switch to one step cooler, and maybe add a little race gas to help with KR
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My Mopar Stable: 07 SRT8 Charger 426 Stroker with Direct Port Nitrous (1/4 9.70@138.88mph)'
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2012 Chrylser SRT8 300 optioned Out
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