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Well I got my LT275/70/18 Terra Grapplers put on Friday and I was wondering how much PSI I ought to run them at? I got 50PSI in them right now and am running a MPG test to see what I get. Could any of you others chime in and give me some advice? This is my first time with LT tires.
 

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50? Holy cow that has to ride awful! Why wouldn't you use the spec PSI...or maybe a LITTLE higher? 50 seems like a hard ride and bald center tread quickly.
 

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I run 37 psi on mine. If I set them to 36 psi my TPMS light comes on. Discount checked my sensors and they read alittle low. 35psi in the tire reads 34.6 on the sensors.
 
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