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Power Strokes
6.4 Aftermarket
Question about Running H&S HD tune & mini fuel additive question
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[QUOTE="TRUBBS, post: 1154356, member: 26"] while waiting for my rockers to show up (should be here the 28th) im going to put my exhaust on and load my xrt onto the truck. was wondering if its safe to run the HD tune on the low setting (if i remember right from when i loaded it on my buddies truck to make sure it worked, you could select the HD tunes then it has 3 power level options, is that how it is?) truck is on 6" and 35's with 112k been all stock so i dont want to load the big boy tune and have it puke on me already or smoke the trans. thanks also, Biggg Newbie question, what fuel additive is proven to be the best in the 6.4's? in the past ive always just ran 2stroke but with how sketchy 6.4 fuel systems are i dont want to risk having any major issues and exploding the HPFP. thanks guys! [/QUOTE]
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