How do i find out my PSI?
07-27-2009, 05:45 PM
#5
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Year: 1991
Model: Cherokee
Engine: 4.0 I6
Also if you look in the glove compartment it should have a sticker that tells you what the tire pressure should be based on the factory tire size.
07-27-2009, 06:45 PM
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Year: 1996
Model: Cherokee
Engine: 4.0
DO NOT go by the PSI on the tires, that is a safety rating NOT a specification. You should have a sticker on the drivers door or Jam or in the glove box, for stock sized tires. If you have oversized tires you might need to go by trial and error or use the Chalk Method. I have the same model rig as you running 30 BFG and run 30psi.
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07-27-2009, 09:04 PM
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Year: 97
Model: Cherokee
Engine: 4.7
It's how far you can stick a piece of chalk up your azz while holding your breath. Then you blow into the valve stem. If the chalk pops out while you are blowing ...the resulting pressure is just right. If it gets lost up there, you are under inflated. If it crumbles while you are blowing, you are over inflated.
Joe
07-27-2009, 09:08 PM
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Year: 91 with lots of 01' parts
Model: Cherokee
Engine: 01' 4.0L
It's how far you can stick a piece of chalk up your azz while holding your breath. Then you blow into the valve stem. If the chalk pops out while you are blowing ...the resulting pressure is just right. If it gets lost up there, you are under inflated. If it crumbles while you are blowing, you are over inflated.
Joe
Joe
07-27-2009, 09:19 PM
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Year: 1998
Model: Cherokee
Engine: 4.0, bolt ons for days...
http://www.jeepfan.com/tech/tire-pressure-chalk.php
stock tires, id say ~28-29 PSI would be comfortable.
stock tires, id say ~28-29 PSI would be comfortable.
07-28-2009, 01:19 AM
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Year: 2000
Model: Cherokee
Engine: 4.0
It's how far you can stick a piece of chalk up your azz while holding your breath. Then you blow into the valve stem. If the chalk pops out while you are blowing ...the resulting pressure is just right. If it gets lost up there, you are under inflated. If it crumbles while you are blowing, you are over inflated.
Joe
Joe
i have never heard of the chalk method but let me take a guess
draw a line on your tire with the chalk and drive for a lil bit come back and see if your over or under inflated by were the chalk rubed off?
Edit: didnt see the link above my post
Last edited by REWSTER; 07-28-2009 at 01:20 AM. Reason: cause i can
08-02-2009, 06:36 PM
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Year: 1991
Model: Cherokee
Engine: 4.0 I6
http://www.jeepfan.com/tech/tire-pressure-chalk.php
stock tires, id say ~28-29 PSI would be comfortable.
stock tires, id say ~28-29 PSI would be comfortable.
Thanks for the link that should prove to be very helpful for all.
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