Will being out of alignment cost 2 MPG? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 12 (permalink) Old 04-15-2011, 03:58 AM Thread Starter
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Will being out of alignment cost 2 MPG?

Leading up to November I was consistently getting 17.5 MPG (hand calculated) and sometimes as much as 19.

In November I installed a D60 and BFG A/Ts (285s, same size as the previous set of tires). I had the truck aligned. Immediately I was in the 15 mpg range sometimes dipping into the 14s but never getting into the 16s.

I assumed the loss of fuel mileage was due to the raised front end with the F350 springs and the wide flat tread of the BFGs.

So yesterday I noticed some mild abnormal tire wear on the tires and took the truck to get aligned. There was a total of 2 degrees of total toe in as compared to the specs of nearly none.

So could this have caused my 2 MPG drop or maybe part of it?

'97 SCLB 4x4, 3.55, D60 w/ TrueTrac, 6637, Banks Techni-cooler, BTS Trans, Tru-Cool 4921 Trans Cooler, 1.0 exhaust housing, no ebv, 3" DP, Straight Exhaust, E-Fuel, TW tunes, International WP, 203*, Isspro Gauges
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post #2 of 12 (permalink) Old 04-15-2011, 03:59 AM
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Re: Will being out of alignment cost 2 MPG?

absolutely a possibility!

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post #3 of 12 (permalink) Old 04-15-2011, 02:40 PM
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Re: Will being out of alignment cost 2 MPG?


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post #4 of 12 (permalink) Old 04-15-2011, 07:22 PM
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Re: Will being out of alignment cost 2 MPG?

It's a big possibility the truck being out of alignment would drag the tires more causing higher resistance.

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post #5 of 12 (permalink) Old 04-15-2011, 07:23 PM
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Re: Will being out of alignment cost 2 MPG?

Yeah, my SD was doing the same thing tearing tires up got an alignment and picked 2 mpg back up. It always seems like when I would get new tires I would loose some mileage untill the tires wore in some.

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post #6 of 12 (permalink) Old 04-15-2011, 08:14 PM
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Re: Will being out of alignment cost 2 MPG?

I say winter fuel

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post #7 of 12 (permalink) Old 04-15-2011, 08:21 PM Thread Starter
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Re: Will being out of alignment cost 2 MPG?

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Originally Posted by diesel_brad View Post
I say winter fuel
Has never had an impact before.

'97 SCLB 4x4, 3.55, D60 w/ TrueTrac, 6637, Banks Techni-cooler, BTS Trans, Tru-Cool 4921 Trans Cooler, 1.0 exhaust housing, no ebv, 3" DP, Straight Exhaust, E-Fuel, TW tunes, International WP, 203*, Isspro Gauges
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post #8 of 12 (permalink) Old 04-15-2011, 08:40 PM
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Re: Will being out of alignment cost 2 MPG?

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Originally Posted by PsRumors View Post
Has never had an impact before.

Not quite sure if GA gets winter fuel, but up here it KILLS milage.

I guess you will have to drive it and tell us the results

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post #9 of 12 (permalink) Old 04-15-2011, 08:42 PM
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Re: Will being out of alignment cost 2 MPG?

Definitely could but your definitely gonna see your tires getting eaten up if its that far out.
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post #10 of 12 (permalink) Old 04-15-2011, 08:48 PM Thread Starter
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Re: Will being out of alignment cost 2 MPG?

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Definitely could but your definitely gonna see your tires getting eaten up if its that far out.
Well, I have less than 1500 miles and probably less than 1000 miles on the new tires and the wear was not right. All the lugs still have the nipples but it could have gotten bad quick.

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