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Discussion Starter #1
I buying new Mickey Thompson Baja MTZ LT31570R17's and was curious what ppl run for psi for dd?
 

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I'm running 27psi in my 37/13.50/17 toyo m/t's
 

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You can use what others run as a general guideline, but to find out the best tire pressure for YOUR rig you'll want to do the chalk test.

How to chalk test
 

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running 35's with 33 psi. I know its not 37's but that seam to work for me much better ride than running em with say 35 psi.
 

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I run 30 psi, in my 35" Procomp AT's, with good results
 

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Doing the math using weight and tire specs (load & pressure ratings), I'd be at 20 psi. I run the trails at 18-20 psi. No way on the street. Using that math assumes increases in pressure and loads are linear. Perhaps they're not.
 
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