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Old 05-29-2015, 10:55 AM   #1
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Would this cause tire damage?

Hi, I discovered I had a cheap, faulty, drugstore tire gauge.
I then realized I've driven 800 highway miles on my new 184 Baja tires (Patagonia A/T LT's) at 43psi while the tire states 50psi max.
I guess these are truck tires but do you think I damaged the sidewalls by doing this or am I just being paranoid?
Thanks and a great weekend to you all.

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Old 05-29-2015, 11:17 AM   #2
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I wouldn't think so.

I would think the pressures would have to be low enough to that "squat " was apparent on the side wall, and you would have recognized that before your 800 miles


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Old 05-29-2015, 11:56 AM   #3
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Dealer set pressure on all tires on our 264BHW at 44lbs. I have since brought these up to 48lbs. (Rainer ST rated at 50lbs)

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Old 05-29-2015, 12:00 PM   #4
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800 miles 14% under-inflated probably didn't cause any long term damage.
What pressure does the equipment manufacturer recommend?
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Old 05-29-2015, 12:09 PM   #5
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Nope, they are fine. Keep in mind that the manufacturer has no idea what these will be used for. Most 1500 series trucks and SUVs will take about 35 psi on the door sticker. That doesn't affect a sidewall in the slightest.

Regarding tire gauges, I have this one. Simply put it's the best tire gauge I ever owned.
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Old 05-29-2015, 01:03 PM   #6
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Since tire pressure is a major thing, I have two different types and brands. Only takes me a couple more mins to double check.
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Old 05-29-2015, 02:17 PM   #7
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You were a little under the max for the tire so it shouldnt be a problem I have never ran any tire at the max pressure. and you were not to low so dont worry you will be fine.
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Old 06-14-2015, 10:33 AM   #8
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I would only run max pressure, if I was running at max load on the truck.
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Old 06-14-2015, 10:44 AM   #9
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I usually follow tire pressure printed on the tire as cautionary for the "max tire pressure". Otherwise regarding tire pressure I refer to the manufacture specs on the vehicle and trailer.
I have also found when it comes to equipment whether it be tire pressure gauges or compressor pumps or wrenches and jacks. You get what you pay for. Cheap is cheap. Just my two cents.
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Old 06-14-2015, 01:04 PM   #10
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I always run max tire pressure because it equates to less heat build up which is a major cause of tire failure. In your case I would doubt that you have done significant damage. Not knowing your gross wt., it would be hard to make that call. You were probably on the low end of acceptable as far as pressure goes. ST tires are a far different tire then truck or passenger tires. They have much thicker side walls to carry the weight. Thats why they shouldn't bag or flex. Thicker walls build a lot more heat when under inflated or excess speed is applied. ST tires can't be compared to truck or passenger tires.

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