tire pressure

[lowso]

just curios
im running a 35 inch tire
nitto trail grappler on a moto metal rim 35-12.5 r20
what is the proper psi ?

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[Mac]

I have not run any 20” tires but I have run 32”, 33”, 34” and 35” tires on 17” rims on my JT have always run them around 36 psi cold, tire wear has been even and ride is decent IMO.

 

[Jeep-A-Kneez]

Get ya some chalk and scribe a line across the tread, drive around and note how the chalk disappears. Center disappears first, decrease pressure or the opposite. Outside disappears with center remaining, add pressure.

 

[Deleted member 24880]

Same sized tires, same tires I run 30 psi. Tried everything from 26-40psi and 30 is the sweet spot for me.

 

[Lake Miller]

I found a relevant thread on another forum. You may want to check it out.

 

[SargeDiesel]

I found a relevant thread on another forum. You may want to check it out.

where is the link ?

 

[Josh00333]

Chalk them, drive around the block, or not even that far. Every tire wheel combo will be different.

I rub my 285/75r17 on factory rims at 35 cold. Probably need to recheck it may be better 32-33 range.

When warm they go up 3-4psi

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