Load range c everyday highway tire pressure?

[Frontline]

I did search but it is hard from taptalk. I have 255/75/17 BFG MT off of a rubicon. They have about 15-20k miles on them and have been rotated every oil change. Recently they have been howling. So I had them rotated again two days ago. This time I made sure they were swapped in an x pattern instead of front to back. They are now so loud that I have a headache from driving them. So the ultimate question comes down to what is the suggested tire pressure for load range c tires on a 4Runner. I have been running them at 35. Should I lower? Increase? Or stay the same?


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[Inv4drZm]

Increase for a couple days then decrease for a couple and see which one is quieter. I'm not sure it will make much difference and you should really base the pressures off of tire wear or ride quality instead.

 

[calvinv8sr5]

The psi of my load range c bfg mud terrains is like 55 but I run 40 in mine no issues, but my rear end is so loud can't hear the tires lol. Try 40 see if it's better, then try 44

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[07V8]

Ran KOs at 38# for 115k miles.

 

[gm350reratliff]

Do a chalk test to verify good contact area but honestly 35-40 psi sounds about right to me for summer on-road driving.

 

[Diamond_D]

I run my Cooper AT3 C's right around 40, they ride a little stiff but that seems to give the best handling and nice even wear.