Wheels & Tires Semi-Tech General discussion of wheels and tires for the Ford Ranger.

What tire pressure for BFG ATKO 30x9.5x15's?

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Old 05-14-2009
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What tire pressure for BFG ATKO 30x9.5x15's?

What's the recommended tire pressure for this tire? Discount Tire put the fronts at 40PSI and the rears at 45PSI.
 
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geez.....max of 35. id say somewhere between 30-35 depending on how they wear
 
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Old 05-14-2009
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Originally Posted by shadow905
geez.....max of 35. id say somewhere between 30-35 depending on how they wear
x2

35 if you are concerned with mpg, 30 if you want a smoother ride
 
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discount put them at 45???
 
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this thread is going to raise some hell
a lot of people strongly disagree on the psi!
for stock tires you can look on the door panel and it will tell you.
 
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Okay I checked them and put them at 35 PSI.
 
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Originally Posted by slowrey
Okay I checked them and put them at 35 PSI.
Yea that seems to be the most common psi for the bfg at's
 
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thats what i run
 
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20-25 front and 15 rear.

10/6 makes for a real nice ride
 
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i just pull the valve stems then re install the cap so no water gets in. they ride great
 
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I run 35psi when driving around town.
 
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Originally Posted by 99ranger4x4
20-25 front and 15 rear.

10/6 makes for a real nice ride
Until you hit the highway lol. Did that for 2-3 mins then got right off on the next exit to find a gas station lol.

Ask Mayledeen how high you need BFG's at.
 
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the place where i bought my dune grapplers wouldn't put anymore than 35psi of nitrogen in them b/c the factory didn't call for anymore than that even tho the tires can handle 50psi i'll admit it rides and handles a lot better than my other 31x10.50's i had with 50psi
 
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Wonder why?
 
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i have my 33s at 33psi but anything from 28-35 is good
 
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35psi here, although my front left is a bit low... Better get on it. lol
 
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Originally Posted by slowrey
What's the recommended tire pressure for this tire? Discount Tire put the fronts at 40PSI and the rears at 45PSI.
Go with what the door jam says (30psi btw). You DO NOT need to change pressure due to larger tires or a large load. Inflate your tires to 30-35 cold and leave them there.
 
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Originally Posted by chainfire
Until you hit the highway lol. Did that for 2-3 mins then got right off on the next exit to find a gas station lol.

Ask Mayledeen how high you need BFG's at.
I DD with 25/15. i have virtually no weight on my *** end, and my good tires are back there so i'm trying to keep as much of the tire on the ground as i can.

i've ran around with 12 for a week or so until i was feeling up to the task of airing up
 
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Originally Posted by slowrey
What's the recommended tire pressure for this tire? Discount Tire put the fronts at 40PSI and the rears at 45PSI.
Go with what the door jam says (30psi btw). You DO NOT need to change pressure due to larger tires or a large load. Inflate your tires to 30-35 cold and leave them there.
 
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my truck says to run my 31x10.5 x 15 at's at 30, so you should prob be around 32 ish
 
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Originally Posted by Blackonblackfx4
my truck says to run my 31x10.5 x 15 at's at 30, so you should prob be around 32 ish
My truck says 30 PSI for 245/75R16's
A Ranger I worked on a couple weeks ago said 30 PSI and it had 225/70R15s!

see a pattern? no matter what size tire you have your pressure remains the same.
 
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When I had 245's on my other ranger it said 32
 
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Old 05-15-2009
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Originally Posted by 99ranger4x4
I DD with 25/15. i have virtually no weight on my *** end, and my good tires are back there so i'm trying to keep as much of the tire on the ground as i can.

i've ran around with 12 for a week or so until i was feeling up to the task of airing up

Yeah I keep forgetting you have almost nothing back there. I have my bed, shovel, tools, sometimes a quad, lol it fills up quickly
 
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i use to run 40. but now i went down to 35. thats whats recommended
 
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