What are the best mods for my truck's MPG? - Ford Powerstroke Diesel Forum
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  #1  
Old 11-14-2012, 09:28 PM
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What are the best mods for my truck's MPG?

I have a 2000 7.3 powerstroke with 150000 and its just about all stock except for a lift. Im getting about 12-13 and ive been driving like a granny, no fast take offs. So just wondering what are some good ideas or performance parts that will help the MPG?
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Old 11-14-2012, 09:43 PM
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cheap DIY intake would the 6637 just research and you will find it.
you can buy them from riffraffdiesel

if you dont wanna do a full 4" exhaust system either a muffler delete or walker btm muffler.
all 4 inch exhaust systems flow the same so take your pick.
zoodad mod to get better airflow to your filter.

custom tuned chip from beans, php, dp tuner, tony wildman, gearhead take your pick

oh and gauges too,
atleast egt and tranny temp, possibly boost gauge.

dont forget the most important mod, the drive like a granny mod
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Old 11-15-2012, 04:04 AM
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With the lift what size tires do you have?? They will eat up fuel mileage, I've got a Airaid intake and a 4" exhaust, stock motor no chip, it's only 2WD and I'm getting just over 15mpg. the biggest thing is getting the air in and out.
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Old 11-15-2012, 11:29 AM
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If you reallllly want to get into it. blue99stroker is absolutely correct. First I would start with checking your system is working completely 100%. There are no issues, no fuel in coolant, oil in coolant, leaks, anything. Your fuel pressure is right, boost is on point, make sure everything is 100%.

I'd then start with cleaning out your EBPV, then I would start using Diesel Kleen to clean out your injectors. I put a splash (3 - 4 ounces) in every tank, which your supposed to put more, but I just want it to clean the injectors. Once you're batting 1000, and you've cleaned up the EBPV and injectors, then start with intake, then exhaust, then gauges, then chip. Chip is always the last.

Drive the hell out of it with the chip in for a week, so you can get back to granny mode, then start recalculating MPGs. I'm using Fuelly. It's free and it's easy. She's not doing too hot lately ~13 - 15 mpg. You also have to account for the difference in speed/mileage because of your tires. I'm off by 9%, as I've calculated it. So when I'm showing 12.5mpg I'm actually getting 13.8mpg. Which isn't that bad, but can be improved.

You can also think about getting a non-EBPV pedestal for your turbo, removing the EBPV completely. You can look into water-meth injection - which is what I will be doing after I've got my chip in. Finally, you're going to want to look into a bigger set of injectors and bigger turbo. But that's all long distance plans. I want my truck to have 400 hp and 800 ft-lb of torque and get 21 mpg on the highway.
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Old 11-15-2012, 01:39 PM
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i forgot to add with winter coming everyone usually looses a few mpgs cause winter fuel sucks!
a fuel additive can help also like Laki said.
ive run fords cetane booster and Xdp fuel additive and they both worked.
Xdp's additive is 8 bucks a bottle and lasts like 12 fill ups. so not really that expensive.
fords stuff requires a lot more per tank.
there is also diesel kleen
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Old 11-18-2012, 05:54 AM
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Quote:
Originally Posted by blue99stroker View Post
i forgot to add with winter coming everyone usually looses a few mpgs cause winter fuel sucks!
a fuel additive can help also like Laki said.
ive run fords cetane booster and Xdp fuel additive and they both worked.
Xdp's additive is 8 bucks a bottle and lasts like 12 fill ups. so not really that expensive.
fords stuff requires a lot more per tank.
there is also diesel kleen
blue99stroker,

Where are you getting the Opti-lube XPD for $8 a bottle?? I've only found geting it from them in a 1 gallon bottle, and it has had a price increase since the last time I bought one.
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Old 11-18-2012, 02:33 PM
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they had it for 8 bucks a bottle. and it want in gallon sizes.
i looked it is now 8.95 per 16 oz bottle.
xtremediesel.com sells it.
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Old 11-18-2012, 07:37 PM
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#edit -
just saw that it was already mentioned.
Pretty much everything has been covered
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Old 11-25-2012, 06:13 PM
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I don't know but I also do that granny drive mod. Once in a while I just have to romp down on it to hear it howl.

On my "bring home trip" I got 19mpg running 70mph on the highway and 20 mpg running 60mph. Bone stock with an auto trans.
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Old 11-25-2012, 07:37 PM
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Quote:
Originally Posted by tretpflyr View Post
I don't know but I also do that granny drive mod. Once in a while I just have to romp down on it to hear it howl.

On my "bring home trip" I got 19mpg running 70mph on the highway and 20 mpg running 60mph. Bone stock with an auto trans.
Just curious how you were getting those numbers.
Were you relying on the display to tell you this, or were you actually calculating your mileage when you were fueling up?
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