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11-28-2009, 11:28 AM
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mythical tater
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Join Date: May 2009
Posts: 651
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06 4.0 mileage issues
I drive an 06 FX4 with the 4.0SOHC, 5 speed auto, stock 4.10's. The only changes from stock are a T-bar crank, airbox mod, exhaust and 32x11.50's. I'm getting approx 14.04 mpg mix driving. I'm confused since it seems like I got the same mileage on my stock 31's. If someone else wants to do the calculations, be my guest. Trip odo says 229.1 miles and I put 16.312 gallons in. What am I doing wrong, it should be better, shouldn't it?
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2006 Ford Ranger FX4 Level II
torsion bar crank, 32x11.50R15's, DSG Alcoa's, S10 Blazer short OHC, black interior, Sonar projector headlights, taillight mod, Nightshades, hood/grille blackout, glasspack and resonator tip side exhaust, Xtang Blackmagic tonneau cover, THE original STX swap.
1986 Ford Bronco XLT
2013 Ford Focus SE
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11-28-2009, 11:34 AM
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...............
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Join Date: May 2009
Posts: 23,399
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is it all city, all highway or mixed
if it is mixed that is about what I get with mixed driving
Ever change your fuel filter?
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2005 Edge
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11-28-2009, 11:37 AM
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Ranger Enthusiast
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Join Date: Nov 2008
Posts: 6,831
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Quote:
Originally Posted by Superlifted06FX4
I drive an 06 FX4 with the 4.0SOHC, 5 speed auto, stock 4.10's. The only changes from stock are a T-bar crank, airbox mod, exhaust and 32x11.50's. I'm getting approx 14.04 mpg mix driving. I'm confused since it seems like I got the same mileage on my stock 31's. If someone else wants to do the calculations, be my guest. Trip odo says 229.1 miles and I put 16.312 gallons in. What am I doing wrong, it should be better, shouldn't it?
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So you're getting the same mileage after your bigger tires and you think that's a problem?
16 MPG for a 4x4 4.0 w/ 32s sounds about right.
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11-28-2009, 12:13 PM
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Join Date: Jun 2009
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Quote:
Originally Posted by Tom
So you're getting the same mileage after your bigger tires and you think that's a problem?
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That's what I was going to say. If anything, be happy that putting bigger tires on didn't make your MPG go down. Why would you think your mileage would improve?
Maybe if you did strictly highway driving, you'd see a small increase,
but if anything, getting the bigger diameter tires turning (not to mention the increased rolling resistance of increased width) usually makes MPG go down.
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Quote:
Originally Posted by Ranger Dave (B25)
Our foreign policy is laughable at best. As is the recipient of this years Cracker-Jacks prize for 'peace.'
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Quote:
Originally Posted by Toms984x4
NOS for teh horse powaz!!!
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ɹǝʌo ǝɯ dılɟ
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11-28-2009, 12:58 PM
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Dead Whales Everywhere!
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Join Date: May 2009
Posts: 929
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did you recalibrate your speedo after getting bigger tires?
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08 Ranger Sport 2wd
aFe CAI, 30x9.5.x15 Grabber AT2s, U/D pulleys, flowmaster super 44
"Those who make peaceful revolution impossible will make violent revolution inevitable."
- John F. Kennedy
"Somehow the "god of the athiests" delivers more miracles than all other religion combined than..."
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11-28-2009, 01:03 PM
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Ford Ranger Driver
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Join Date: Sep 2009
Posts: 4,197
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That there trip odometer reading is probably off........
I saw my best numbers with the 4.10's and 32's. Of course I've got a 5spd manual...so idk if that makes a difference or not.
I like my 19mpg after a short road trip. hehe. Not bad for a big truck on 5's!
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'01 XLT disguised as a '03 Fx4 Level II.
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11-28-2009, 02:09 PM
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mythical tater
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Join Date: May 2009
Posts: 651
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Tell me how to get the filter off, I ain't seen this style connector before.
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2006 Ford Ranger FX4 Level II
torsion bar crank, 32x11.50R15's, DSG Alcoa's, S10 Blazer short OHC, black interior, Sonar projector headlights, taillight mod, Nightshades, hood/grille blackout, glasspack and resonator tip side exhaust, Xtang Blackmagic tonneau cover, THE original STX swap.
1986 Ford Bronco XLT
2013 Ford Focus SE
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11-28-2009, 02:10 PM
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mythical tater
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Join Date: May 2009
Posts: 651
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Quote:
Originally Posted by STL
is it all city, all highway or mixed
if it is mixed that is about what I get with mixed driving
Ever change your fuel filter?
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Mixed. I expected a lil better, not much, but a lil.
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2006 Ford Ranger FX4 Level II
torsion bar crank, 32x11.50R15's, DSG Alcoa's, S10 Blazer short OHC, black interior, Sonar projector headlights, taillight mod, Nightshades, hood/grille blackout, glasspack and resonator tip side exhaust, Xtang Blackmagic tonneau cover, THE original STX swap.
1986 Ford Bronco XLT
2013 Ford Focus SE
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11-28-2009, 02:17 PM
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Original Grab-Her
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Join Date: Sep 2009
Posts: 2,431
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Are you accounting for the size difference in tires? I mean, my tires are 13% bigger than my stock ones so my odometer reads 13% lower than where it should...
Say your tires are 8% bigger than stock... you actually traveled 247.428 miles and that comes to 15.168 MPG. Also depends on how you drive. I have a 4.0 V6 4x4 5 Speed w/ 33s on 3.73 and I get about 16-17... that's anywhere from 50/50 city/freeway to 100% freeway... I don't ever break 18 anymore. Your engine is 2 years older than mine but I'm not really surprised at your mileage. Changing your driving habits might help but I think you're right where you should be...
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2008 XLT 4x4 - GRABBER ORANGE - 4.0 V6 - 5 spd
PNW CREW
Quote:
Originally Posted by camodown
that's it, marie is pissed. game over
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11-28-2009, 02:22 PM
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Dead Whales Everywhere!
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Join Date: May 2009
Posts: 929
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if you didnt recalibrate your odo after changing tires, you'll need to multiply the miles by 1.03257329, that'll give your exact miles. for 229.1 miles-- it would be 236.5 miles actual, not much but it improved your 14.04 mpg to 14.5 mpg.
^thats only if you did not redo your odo
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08 Ranger Sport 2wd
aFe CAI, 30x9.5.x15 Grabber AT2s, U/D pulleys, flowmaster super 44
"Those who make peaceful revolution impossible will make violent revolution inevitable."
- John F. Kennedy
"Somehow the "god of the athiests" delivers more miracles than all other religion combined than..."
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11-28-2009, 06:06 PM
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mythical tater
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Join Date: May 2009
Posts: 651
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I had Ford reset it. And my truck only has 40k on it.
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2006 Ford Ranger FX4 Level II
torsion bar crank, 32x11.50R15's, DSG Alcoa's, S10 Blazer short OHC, black interior, Sonar projector headlights, taillight mod, Nightshades, hood/grille blackout, glasspack and resonator tip side exhaust, Xtang Blackmagic tonneau cover, THE original STX swap.
1986 Ford Bronco XLT
2013 Ford Focus SE
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12-03-2009, 01:32 AM
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mythical tater
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Join Date: May 2009
Posts: 651
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Well this week I got 16.1 mpg after corrections. I still need to do the air filter and the fuel filter, and I already changed all the fluids except the oil, its not due yet. Tires are at 45 psi, and I doubt it needs plugs and wires at 40,000 miles.
__________________
2006 Ford Ranger FX4 Level II
torsion bar crank, 32x11.50R15's, DSG Alcoa's, S10 Blazer short OHC, black interior, Sonar projector headlights, taillight mod, Nightshades, hood/grille blackout, glasspack and resonator tip side exhaust, Xtang Blackmagic tonneau cover, THE original STX swap.
1986 Ford Bronco XLT
2013 Ford Focus SE
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12-03-2009, 07:30 AM
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Join Date: Jun 2009
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What are you expectations?
While it is possible to get better mileage than that, 16 mpg is still better than it's EPA city rating.
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Quote:
Originally Posted by Ranger Dave (B25)
Our foreign policy is laughable at best. As is the recipient of this years Cracker-Jacks prize for 'peace.'
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Quote:
Originally Posted by Toms984x4
NOS for teh horse powaz!!!
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ɹǝʌo ǝɯ dılɟ
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12-03-2009, 09:47 AM
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Liking the Ford Ranger Forum
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Join Date: Nov 2009
Posts: 25
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For the real deal on your calculations click on the link below and use the tire size calculator... Enter your original tire size into the field at the top and the new size into the field/s below... then click compare. The data will come back and it will tell you every thing you need about the variation in size measurements, speedometer difference, width/height and diameter difference etc...
BTW My mileage is running around 17-19 mpg over all combined average.
CLICK HERE > http://www.1010tires.com/tiresizecalculator.asp
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Black 1999 Supercab XLT, 4X4, 4.0, 5 Speed, 410 posi-gears, 33 inch BFGs on 16X10 American Racing Aluminum Wheels, Extang low profile tanau cover, Factory Class III Tow Pack.
Last edited by RoadDawg; 12-03-2009 at 09:51 AM.
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12-03-2009, 09:54 AM
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5.Oh All the way
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Join Date: May 2009
Posts: 6,603
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going from 31 to 32s, would it change the speedo much? if so by how much?
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2014 F150 SuperCrew XLT 4x4
275/65/17 Falken Wildpeak AT3W | Shorty Antenna | Tinted Windows | ProClip Phone Mount |5.0 v8 |Tow Package | Oxford White
Sold/Totaled: 2006 Ranger XLT 2D SuperCap 4x4 Torch Red
15x8 Pacer 164P Polished Wheels | 31x10.50 BFG ATs | Level II Tow Hooks | FX4 Red Insert Seats
Tinted Windows | 6000K HIDs | Kobalt Low Profile Toolbox | Pioneer Speakers
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