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  1. jonnymac24

    New Fastest Duramax on #2 LB7!

    02 Lb7 Have ran a best of 11.63 @117 mph on fuel only. Has carrillo rods, hamiltion valve springs, head port, valve job, 60% bigger nozzles, dropped compression mahle pistons, and a single 88mm PPE. All tuned by Kory Willis of PPEI