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Topic Review (Newest First)
04-25-2013 09:09 PM
Tweak Thanks, I'll look into that. I dropped it down to 35 which feels a lot better. I'm assuming I just put chalk on the lugs and see what pressure gives me the most contact?
04-25-2013 08:48 PM
xjrguy I run 28psi with my 37x12.5x17 Cooper STT

You will only get an accurate reading by doing the chalk test.
04-19-2013 05:20 PM
Tweak
37x13.50r17 mud grappler psi

I am the new owner of a set of 37x13.50r17 Mud Grapplers, discount tire filled them all up to 42psi which seems high. it rides well. my question (because I havnt been able to find any info) is what psi should I be running for best tire life?

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