Recommended PSI for 37" tire

Gnmaniatis

Gnmaniatis

Member
Just made the jump from 35's to 37's. Running the Nitto Trail Grapplers MT. Discount Tirehad them aired up to 47 psi! I've dropped them to 37 psi. I was just curious what psi everyone else is running on their 37's
 
JEEPAlexander14

JEEPAlexander14

Member
Yeah whoever aired up your tires at discount tire is a dumb ass. I work there and I usually air them up to about 35. But I personally run my toyo MT 37s to about 30. Take some chalk and test the wear pattern at different psi
 
cozdude

cozdude

Guy with a Red 2-Door
JEEPAlexander14 said:
Yeah whoever aired up your tires at discount tire is a dumb ass. I work there and I usually air them up to about 35. But I personally run my toyo MT 37s to about 30. Take some chalk and test the wear pattern at different psi
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I wouldn't say they are a dumbass but more just following what they were told to do which is to fill them up to the stock pressure.

As far as the chalk test goes I second that. Every rig is different due to weight so the chalk test is the best way to find out what psi is good for your rig for the best tire wear
 
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