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Old 03-16-2019, 09:13 PM   #1
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Tire Pressure Question

I just bought new Goodyear Endurance tires for my 2015 White Hawk 27DSLR. It has 14” rims and the previous tires and the sticker placed by the factory calls for 50lbs TP. The fine folks at Discount Tire insisted the tires call for Maximum pressure of 65lbs. They pointed out that my previous tires called for 50lbs maximum. Should I go by what is on the sticker?
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Old 03-16-2019, 09:24 PM   #2
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I would go with what you were told by the installers
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Old 03-16-2019, 09:50 PM   #3
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It depends on how much weight they are carrying: https://www.goodyearrvtires.com/pdfs/rv_inflation.pdf
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Old 03-16-2019, 10:27 PM   #4
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The rims will hold 65psi, run 65# and don't look back; also give you an additional 280# carrying 'cushion', and good for 88 mph. Change out the valve stems for the screw on ones
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Old 03-17-2019, 03:47 AM   #5
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I would inflate to what it says Max psi is on the side of the tires???
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Old 03-17-2019, 04:07 AM   #6
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I go by what is printed on the tire.
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Old 03-17-2019, 05:56 AM   #7
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Originally Posted by dannyabear View Post
The rims will hold 65psi, run 65# and don't look back; also give you an additional 280# carrying 'cushion', and good for 88 mph. Change out the valve stems for the screw on ones
This. You bought better tires, take advantage of them. 65 psi will run cooler, hold more weight, last longer and give you a bigger cushion for air loss before a catastrophic failure.
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Old 03-17-2019, 06:58 AM   #8
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My uncle and I used to argue about this all the time. IMO, it's not a one size fits all thing. As BrentB said above, it all depends on the weight the tires are carrying. Sure, setting tires to the "maximum" pressure would be essential if carrying maximum weight for the tires. But what if your trailer's GVWR is much less than the maximum weight for the tires? Combine that with rough roads, concrete interstates, and my lightweight trailer would spend 1/2 its time airborne. I go by Goodyear's chart and keep my tires at 50 lbs. Rides much better.

https://www.goodyearrvtires.com/pdfs/rv_inflation.pdf

My trailer's GVWR is 3,750 of which 12% is on the hitch, so that's 3,300 lbs on the tires. I have Goodyear Endurance ST 205 / 75R14, Load Range D, 65 max psi, 2,040 lbs tires, for a tire carrying capacity of 4,080 lbs at 65psi. According to the pointy heads at Goodyear who designed these tires, I can carry 3,520 lbs at 50 psi.
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Old 03-17-2019, 07:23 AM   #9
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Quote:
Originally Posted by BrentB View Post
It depends on how much weight they are carrying: https://www.goodyearrvtires.com/pdfs/rv_inflation.pdf
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Originally Posted by bigironcoder View Post
My trailer's GVWR is 3,750 of which 12% is on the hitch, so that's 3,300 lbs on the tires. I have Goodyear Endurance ST 205 / 75R14, Load Range D, 65 max psi, 2,040 lbs tires, for a tire carrying capacity of 4,080 lbs at 65psi. According to the pointy heads at Goodyear who designed these tires, I can carry 3,520 lbs at 50 psi.

X-2 Over inflation reduces road contact.
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Old 03-17-2019, 11:44 AM   #10
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X-2 Over inflation reduces road contact.
I would highly doubt that a tire manufacturer's max psi listed on the sidewall would produce an over inflated tire. At max psi listed on the tire you will still have 100% tread contact. Now if you inflate a tire over it's max rating then you might have some abnormal middle wear. I would think that under inflation would produce wear on the outside/inside of the tire.
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