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View Poll Results: What PSI are your tires at?
<35 PSI 0 0%
35-40 PSI 21 31.82%
41-45 PSI 19 28.79%
46-50 PSI 11 16.67%
>51 PSI 15 22.73%
Voters: 66. You may not vote on this poll

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Old 12-10-2019, 09:00 AM   #71 (permalink)
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Originally Posted by Plasmajab View Post
Weirdly enough.. My trucks door panel says 35 psi. But I noticed on my last ones that the outer edges on all four tires are worn.. I religiously kept them at 35, but now Im at 40 to see if it makes a difference in tire wear. Regardless of the fuel economy.
I have always run max sidewall pressure in a pickup. If it says 51 psi max, run 51 psi. If it says 80 psi max, run 80 psi. Never had the outer edges or the middle wear faster. YMMV.

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Old 12-10-2019, 10:03 AM   #72 (permalink)
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It's a 8 ply rated commercial tire that has noticeable tread bulges and sags at different pressures/ loadings. Neither of these arguments have convinced me. When I run mfr recommended pressure the edges wear out first on the front, the centers go on the rears.
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Old 01-12-2020, 08:51 PM   #73 (permalink)
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40 cold on the Prii, 80 on the Suburban load range Es
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Old 01-13-2020, 01:31 AM   #74 (permalink)
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Tahoe 2020 - '08 Chevy Tahoe H
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34PSi to 40PSI front 41PSI rear

5.94% increase in mpg :O
for free
went from 26.9 to 28.5mpg
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Old 01-13-2020, 02:02 PM   #75 (permalink)
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I was running 50 spi in my 2016 F150 and with 43k miles I had 1/32" less tread in the center so I dropped it to 45 psi. I average around 25 mpg on HWY with 2.7 ECO Boost, 4X4 and 3.55 rear end.

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