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Power Strokes
7.3 Aftermarket
Why do some trucks just get poor mpg?
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[QUOTE="2dedge, post: 758835, member: 10369"] I know this is a sore subject and I need to remember I have a 9000lb 4x4 excursion but I hear that other trucks do better I typically see 10 towing a 24' enclosed race trailer that weighs 8k or 14 with the truck only. Then I read threads where even some tuners trucks just don't do well regardless of the tweaks in tuning. What are we all missing? I have checked all the wheel bearings, brakes are all free, went back to stock tire size no boost leaks, new uppipes ect. I changed to single shot ac's, van turbo, tuning multiple times ect. Smoke had gone down so I am getting less wasted fuel but the mileage doesn't change? Doesn't matter if I drive like a grandpa or normal hand calculated numbers are always the same. On the highway I see 600-700 degrees and 2-4lbs of boost on flat ground. [/QUOTE]
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Why do some trucks just get poor mpg?
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