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Old 03-30-2013, 11:51 AM
SDB SDB is offline
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Please Help

Need to do something with my work truck. Drive 100 miles a day and want more power, but more importantly, better fuel economy. I have cold air intake and straing pipe exhaust. Everything else is stock. Its a 2001 7.3 auto trans with 140,000. Everything I have read has confused and taken me in tons of diffrent directions. The two items I keep hearing is the DP Tuner and the TW chip or tuner. Please give me yall's input. Thanks
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Old 03-30-2013, 01:00 PM
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If you want More Power, that's gonna be using MORE Fuel to make it...

If you want Better Mileage, DO NOT SPEND ANY $$$ for it, drive it differently (like it had even Less Power) and you'll see an increase (I get 14 driving it like a Guy, 17 like an Old Lady) You're choice But WHATEVER you do, don't let anybody fool you into thinking they have a $400 chip that's gonna "Pay for itself" anytime soon. Those guys just want Your Money!
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Old 03-30-2013, 03:12 PM
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Budget matters too. But like he said you'll spend hundreds to gain 1-2mpg.

The basics:

Air pressure in tires.
Synthetic fluids especially in diff's.
Maintenance like your brakes and such.
Check for boost leaks, google "boost leak detector 7.3 powerstroke" a small leak can cause a dramatic drop in MPG.

If you want to spend money. Get single stage injectors and some kind of tuner. I recommend DP as they are who I've delt with and they will work with you if you have issues.

You don't mention the mpg you are currentt getting?
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Old 03-30-2013, 03:47 PM
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What truck? 350, 450, 550? What gears in the diff? Lift, bigger tires? What weight on the truck?
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Old 03-30-2013, 04:03 PM
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These guys aren't kidding. The best mileage I ever got was before I started modding it.

If you want economy, keep it light, keep it low, drive like a granny.
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Old 03-30-2013, 04:12 PM
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I respectfully disagree with most of the above. I do agree that driving habits are the biggest player in mileage. Running the 65hp Economy PHP tune, I went from 14.7 to 18.2 mpg on the freeway with no other changes (still used cruise on the freeway @ 70mpg). Put in chip, BAM! better mileage. To say that you can't gain mpg with a chip is just uninformed. The biggest problem with chips is that they make the trucks fun to drive and you find yourself playing with the throttle a lot more than you need to.
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Old 03-30-2013, 04:32 PM
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Good to hear Macon, looking at getting the PHP 6 position but wanting to hear more of what your saying. Do you track your fuel economy on fuelly.com? I do and drive a lot of miles, it will be easy to see if the chip really helps if I get one. In fact I would be the best advertisement PHP could have.
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Old 03-30-2013, 04:47 PM
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I love having tunes and mods. Just be aware that some people see more of a jump in mpg than others do.
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Old 03-30-2013, 05:37 PM
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Quote:
Originally Posted by Joel View Post
I love having tunes and mods. Just be aware that some people see more of a jump in mpg than others do.
Absolute truth. Every truck acts just as different as the nut behind the wheel. I got before and after at the pump over several tanks of highway only driving (summer fuel). From Macon, GA to Panama City, FL, I got 20.0 mpg, but very little of that was freeway. Most was <65mph. Winter fuel has my numbers pretty low, but I've been mostly city driving as well. Last fill up was 11.something. Winter fuel, plus horrible driving habits, so I can't complain too much.
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Old 03-30-2013, 07:09 PM
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In other words;
Your mileage may vary.....


Couldn't resist
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