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Power Strokes
6.4 Aftermarket
Why are my Mpgs so low?
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[QUOTE="ncollins64, post: 1125693, member: 8604"] When I first bought mine it was bone stock. On the way back from Texas I was getting 11.5 mpg. Deleted it and tuned it and I went to 17 mpg highway. I was leveled on 35s. Now with all my engine work I'll get around 14 in town and I averaged 17.5 mpg on the way back from IL cruising 75 at 1800 rpm. Also truck has 3:73 gears. All this was hand calculated. [/QUOTE]
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Why are my Mpgs so low?
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