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Old 01-08-2013, 01:54 PM
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snrusnak snrusnak is offline
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Join Date: Jan 2011
Location: Orlando
Age: 27
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Vehicle: 2010 Dodge Ram 1500
Trim Level: SLT
Color: White
Engine: 2008-20?? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
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Draw a line across the tread with a piece of chalk, then drive 10 feet or so in a straight line, then see if the line is rubbed off equally across the tread. If need be adjust psi as needed.

I have cooper zeon ltz's which I believe are rated for 60 or 80psi, and I am fairly lazy with checking tire psi but fill them to ~45-50 psi whenever I get to it. After a year or so they will be down around 40psi and then I just fill them again up closer to 50psi. I've had no issues with wear, but I did the chalk thing at first. Works good unloaded and when I'm hauling. I rarely tow though.
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