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  #1  
Old 01-20-2013, 10:25 AM
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Default Reduce Tire Pressure 2006 Ram 2500 4x4 ???

I purchased a Ram 2500 Quad Cab Laramie 5.9 diesel last week and it seems that the recommended tire pressure is 70 psi rear and 60 psi front. I have stock tires stock wheels and stock suspension.

I will not be towing or hauling for the next few months and would like to reduce tire pressure to improve ride quality. The ruck presently seems to transmist every tiny bump and crack of the highway to me as if i was reading it in braille !!!

What is the minimum tire pressure front and rear that I could run safely without damaging the tires???
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Old 01-20-2013, 11:20 AM
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I've never seen any published numbers of a minimum pressure for any Chrysler products. Newer trucks have the light load option for the TPM system for just this reason and I believe the minimum is 45 or 50 psi but I'm not sure off the top of my head. Perhaps someone with a newer 2500 with this option will look on the placard in their door jamb and verify the pressure.
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Old 01-20-2013, 02:37 PM
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Mine says 70 in the rear when towing, 45 in the rear when running empty. Front 60 either way.

And yes 70 with no load will beat your brains out.
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Old 01-20-2013, 03:51 PM
ridgerunnerseoinc ridgerunnerseoinc is offline
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My 2010 2500 I run 70 in front and 65 in rear. All the weight is up front and the wheels turn up front so I run it higher there when unloaded. Your diesel is even heavier up front and like mine has a solid front axle. It's gonna ride rough. U could get taller (not wider) tires and then reduce the psi and gain a better ride. I have the TPMS on my truck so if I go below about 60 psi I get an idiot light on the dash. U could put some money into susp. upgrades too and gain a better ride or suck it up like me.
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Old 01-20-2013, 04:28 PM
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Thanks!!!

I did not know about the recommended 45 psi in rear when not towing, this will be a big help.

I will reduce the rears to 45 and may cheat the fronts to around 55 and check how the tires look/handle and go back to 60 psi front if all is not quite right.

Other than that, i will just grin and bear it - no suspension mods.

i do catch myself grinning when driving my Ram!!!
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Old 01-20-2013, 07:11 PM
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Update:

I reduced the pressure in the rears to 45 and the fronts to 55.

Ride quality improved just enough for me to notice, but new passengers are sure to say "Holy crap this truck rides rough!!!"
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