Tire PSI for Bfgoodrich M/t KMA2 255/80/17 10 ply - Jeep Wrangler Forum
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Old 06-22-2011, 02:05 PM   #1
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Arrow Tire PSI for Bfgoodrich M/t KMA2 255/80/17 10 ply

Can anyone give me some recommended psi's for on and offroad? These are the first mud tires im getting, and I'm just wondering what is the best psi for all these uses? also, i currently have the stock JK tires (255/75/17) gdyr wrangler SR-As, at about 35 psi on the road. With my limited knowledge of anything automible, im assuming the 10 ply tires will run at a higher psi. If they do, will the tire dealer adjust the TPMS, or do i have to specifically ask them? OH, and if i go down to 12-15 psi, will the TPMS go nuts? or will it just have the little flat looking tire warning light? sorry for the clusterf*k of questions , but any help will be appreciated. THANKS

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Old 06-22-2011, 06:31 PM   #2
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I run my KM2s at 36 on both my old XJ and now on the Ram (different sets) I bump the rears up when I'm towing the trailer to 40

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Old 06-22-2011, 11:17 PM   #3
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Thanks, what about off road?
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Old 06-23-2011, 01:20 AM   #4
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None bead locks are safe down to 18 psi
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Old 06-23-2011, 05:39 AM   #5
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18 is a good number
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Old 06-24-2011, 09:00 AM   #6
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Thanks guys
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Old 07-07-2011, 10:45 AM   #7
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I have a JK 2011 Wrangler 2dr with 225/75r/16 BSW M/S which i don't know what any of those number mean. I have been told that its ok to drop my tire PSI for highway driving down to 30psi for a smoother ride. The door sticker says 35 psi. Just feels to hard at 35 I know nothing about tires and I could not tell if they are 33's 34's and so on. They are stock tires on the base model Jeep Sport and they are nothing special tires. Trying to learn all I can here abbout my new jeep .. Many people have been so helpful thus far. I just want to make sure that I am not going to hurt the tires seeing they are nothing at all special. So my question would be what would be a good and safe PSI for wrangler sports stock alum wheels and tires ??


Thanks for your help....
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Old 07-07-2011, 12:51 PM   #8
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Originally Posted by jeep2011mass View Post
I have a JK 2011 Wrangler 2dr with 225/75r/16 BSW M/S which i don't know what any of those number mean. I have been told that its ok to drop my tire PSI for highway driving down to 30psi for a smoother ride. The door sticker says 35 psi. Just feels to hard at 35 I know nothing about tires and I could not tell if they are 33's 34's and so on. They are stock tires on the base model Jeep Sport and they are nothing special tires. Trying to learn all I can here abbout my new jeep .. Many people have been so helpful thus far. I just want to make sure that I am not going to hurt the tires seeing they are nothing at all special. So my question would be what would be a good and safe PSI for wrangler sports stock alum wheels and tires ??


Thanks for your help....

Also what kind of tire pressure gauge should I use? I have both and I find that they never read the same. The analog guage is always 2 psi higher, than the digital guage. So now I wonder which is more accurate.. any thoughts?

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