10-30-2012, 05:55 PM
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#1
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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Economy tune
I know there's some guys on here running programmers and I need some advice. I've been running the performance tune on my truck ever since I got the programmer and love the power. But ever since I got the 3.92's put in, I've noticed a drop in gas mileage.
No I haven't calculated it but it is definately a noticeable drop. Driving to Norman and back for work has been killing me, to much damn money to be burning premium. So my question is, have any of you ran the economy tune vs the performace tune and notice any difference in fuel mileage?
I don't want to lose the power but if it'll save me some money, I'll do it until I take it back to the track.
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10-30-2012, 06:33 PM
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#2
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James
Join Date: Oct 2011
Location: Sapulpa, Oklahoma
Age: 31
Posts: 1,928
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Econ tune on my old truck yielded lower fuel mileage than the performance tune
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10-30-2012, 06:33 PM
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#3
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James
Join Date: Oct 2011
Location: Sapulpa, Oklahoma
Age: 31
Posts: 1,928
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probably because of my heavy foot though
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10-30-2012, 06:36 PM
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#4
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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I've heard that alot from people on forums, but I wanted info from people I know and trust on this stuff. Wonder what the point of an economy tune is if it doesn't help fuel mileage
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10-30-2012, 06:41 PM
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#5
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Cummins Member
Join Date: Aug 2011
Location: Norman
Age: 39
Posts: 4,051
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I saw the same thing with the eco tune. I just run the 87 tune right now.
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10-30-2012, 06:46 PM
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#6
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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Any better mileage with that Dave?
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10-30-2012, 07:17 PM
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#7
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Cummins Member
Join Date: Aug 2011
Location: Norman
Age: 39
Posts: 4,051
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Not sure, when I want good mileage I just keep my foot out of it.
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10-30-2012, 07:47 PM
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#8
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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So would it be worth switching over to the 87 tune or economy tune?
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10-30-2012, 08:45 PM
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#9
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James
Join Date: Oct 2011
Location: Sapulpa, Oklahoma
Age: 31
Posts: 1,928
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Econ tune probably give better fuel mileage assuming a factory vehicle
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10-30-2012, 08:59 PM
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#10
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Diesel freak
Join Date: Jul 2012
Location: Eufaula
Posts: 348
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I know we're not comparing apples to apples here but I know the best way to get mileage out of my truck is to run it on the hot tune (175hp) and keep my foot out of it. The general idea behind it is that the engine isn't having to work as hard to move the truck at a given speed.
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