mpg differance with 33s - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 08-06-2007
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mpg differance with 33s

im gonna get AT 33s when i get the money. will i notice any mpg loss or anything like that? my stock tire is a goodyear wrangler mtr 245 75 16. also what if i went with a 35 inch tire. will i loose mpgs then and how many est.
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  #2  
Old 08-06-2007
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i get about the same with 32's than my old stock units
just got to remember to recalibrate the speedo to get the correct mileage
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Old 08-06-2007
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stock setup: 29" tires, 3.73 gears, 4.0L 4x4 18.5MPG

first got 33's: 33" TSL's 3.73 gears, 13mpg

Now: 33's 4.56 gears 15mpg
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  #4  
Old 08-06-2007
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yeah i have 285/75/16 and my gas mileage went way down prob 13mpg
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  #5  
Old 08-06-2007
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im getting 15.63 mpgs consistantly with my 245 75 16s. i have stock gearing. i dont no what gears im running. what should i get mpgs whise?
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Old 08-06-2007
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You have a 03 FX4 so id bet you have 4.10s


I currently get ~15mpg(50/50 street/highway) with my 32s which is less then 1mpg worse then stock. So long as you drive the same you will probably notice a drop of 1 mpg with your 4.10s with 33s. With 35s you're probably going to loose ~3mpg
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Old 08-06-2007
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ok i just didnt want to drop down to like 10 mpgs
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  #8  
Old 08-06-2007
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im getting 23 mpg now with my 33's... i was getting 19 on stock tires
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Old 08-06-2007
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how is that possible?
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  #10  
Old 08-06-2007
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I went from 18 mpg to 16 mpg on 285/75s with 4.10s.
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Old 08-06-2007
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Quote:
Originally Posted by bpolly_2004
how is that possible?
????? please do tell!!
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  #12  
Old 08-07-2007
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I get better gas mileage with my 33s too.

I do a fair amount of highway driving. When you put bigger tires on your truck its like gearing it higher. I run about 200 - 300 RPMs less when in overdrive.
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  #13  
Old 08-07-2007
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Quote:
Originally Posted by firefighterjosh
I get better gas mileage with my 33s too.

I do a fair amount of highway driving. When you put bigger tires on your truck its like gearing it higher. I run about 200 - 300 RPMs less when in overdrive.
thats how... and my driving habits have changed as i have gotten older... i dont go over 70 and thats a huge MPG boost... i also dont floor it at a green light and if i see the light ahead is going to change i coast
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  #14  
Old 08-07-2007
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Is this mileage standard for you OHC / "IFS" guys? I stayed at normal @ 21 mpg when I threw on the 33x12.5015 from 225/75/14 on highway, and noticed about 2-3 mpg drop in city (I drive like a bat out of Hell). After the regearing, I now get about 21-22 mpg on highway, and about 20-21 in city.

I wish I have 4.56 though...
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  #15  
Old 08-07-2007
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You're only 2wd pete... that extra few hundred pounds of 4x4 stuff and more moving parts slows us 4x4 guys down a bit.
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  #16  
Old 08-07-2007
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Yea, *shrug* That's definitely true...but Mr. Special & LayingFrame are both 2WD & getting mid teens...
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  #17  
Old 08-07-2007
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Quote:
Originally Posted by LayingFrame89
yeah i have 285/75/16 and my gas mileage went way down prob 13mpg
People, Please..... for the Love of god! Just use Inches, considering that all Off-Road Tires are referred to in inches.

Thank You - You may carry on now!
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  #18  
Old 08-07-2007
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I just got 17.95 mpg gallon on my 285/75/16.

I was really happy when I say those numbers. I just changed my fuel filter, sea foamed, and used little to almost no A/C.

It makes a difference.
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  #19  
Old 08-07-2007
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I got about 15 or so with 4.10's Did get 18 or so.
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  #20  
Old 08-07-2007
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i get better w/ my 32s
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  #21  
Old 08-08-2007
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Quote:
Originally Posted by firefighterjosh
I get better gas mileage with my 33s too.

I do a fair amount of highway driving. When you put bigger tires on your truck its like gearing it higher. I run about 200 - 300 RPMs less when in overdrive.
what gears would they be running as if i were running 33s?
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  #22  
Old 08-08-2007
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Quote:
Originally Posted by bpolly_2004
what gears would they be running as if i were running 33s?

huh? lol. I am runnig 4.10 with 33s. So I do not know the math. It may be ecevlant to 4.00 I have no clue really
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  #23  
Old 08-08-2007
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15.6 mostly highway with my 33s with 3.73 gears, i never recalibrated my speedo its dead on
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  #24  
Old 08-09-2007
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i also get better with 33's and 4.10ls when i drive good, 13-15mpg stock and with 33's i get 18+ when all sensors are cleaned and working good.
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