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Custom Tuning
OK... so I'll bite. Matt (or anyone else)... my dad has an '05 4x4 XLT. He's wanting to eek out as much gas mileage as possible, and it looks like that involves a custom tune. What do I do here? What's the process, who do we pay, and how much? I have a Predator tune for my Duramax, so I...- Randy_the_Hack
- Post #8
- Forum: Engine & Performance
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Vibration and MPG question
Aah... but herein lies the rub. By decreasing the contact patch, you decrease rolling resistance. By decreasing rolling resistance, you increase vehicle efficiency, i.e. fuel economy. The balancing effort is trying to keep the vehicle stable and the ride bearable yet keeping the rolling...- Randy_the_Hack
- Post #12
- Forum: Engine & Performance
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Yet Another Newbie
Hi all, I'm a newbie out here, hoping to pick up some mpg upgrade ideas for my Dad's '05 Expedition. It's a 4WD XLT 4-door, 5.4l Triton V8. Randy- Randy_the_Hack
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- Replies: 2
- Forum: New Member Check-In
