TylerJY Posted February 11, 2012 Share Posted February 11, 2012 What PSI should I run 33x10.5 KM2's at for normal street/highway driving?? Link to comment Share on other sites More sharing options...
txjeeptx Posted February 11, 2012 Share Posted February 11, 2012 You can decide this yourself by airing the tires up too much, then pulling into a level, flat, smooth concrete garage, and airing the tires down until you get an even full tread contact pattern with the concrete floor. Write your numbers front and rear in the door jamb with a Sharpie. My guess is it won't be anything near the recommended pressure listed on the sidewall of the tires. I'd bet it'll be something like 20 to 25 psi front, 17 to 22 rear. Air up the rears when you throw a load in the bed. Link to comment Share on other sites More sharing options...
Pete M Posted February 11, 2012 Share Posted February 11, 2012 tires don't have a "recommended" pressure on them. they list a MAX pressure. :thumbsup: Link to comment Share on other sites More sharing options...
89eliminator Posted February 12, 2012 Share Posted February 12, 2012 i have had the best of luck with 30 in the front and 27 in the back with my 33x10.5 KM1s Link to comment Share on other sites More sharing options...
cruiser54 Posted February 12, 2012 Share Posted February 12, 2012 i have had the best of luck with 30 in the front and 27 in the back with my 33x10.5 KM1s Me, too. Link to comment Share on other sites More sharing options...
SW86 Posted February 12, 2012 Share Posted February 12, 2012 take some chualk and draw a line on the tire straight across. then drive forward and back a few times then look and see what rubbed off the line. air down or up until the line goes away evenly. i havent tried that but its seems like it would work. :dunno: Link to comment Share on other sites More sharing options...
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