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Power Strokes
6.4 Aftermarket
Motor Build - Finally!!!
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[QUOTE="bigrpowr, post: 726669, member: 806"] it was back pressure that did it. we had made some changes to the duty cycle the night before , then nathaniel and i went out hot rodding it to put fuel in it not knowing that tadd had put that tune in. on the dyno pull when it let go it was on a skyward pull to 1200 and started sounding like a slot machine. iirc 85-90 psi . [/QUOTE]
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Motor Build - Finally!!!
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