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03-20-2021, 09:36 AM #11
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I love a good tire inflation discussion. If you are going to adjust tire pressure for load I think it would be a good idea to have individual wheel weight. When I did this I was shocked to find that one wheel was carrying 500 lbs more than the other 3. Nobody could explain this, the wheel weigh guy did a double take, then measured all the wheels a second time. Soon after that I had the whole suspension system replaced.
Another old fashioned way of telling whether or not you are running correct pressure is watching the tire wear. Too much wear down the middle, over inflated; too much wear on the edges, underinflated.
As for me, I run a max cold PSI on the tire. I have beefed up suspension and run on very rough roads, reducing the tire pressure is not going to have much effect for me.Dallas
2017 Momentum 376TH, 2019 Ford F450, Dual Rear Wheel, 4x4, diesel.
2015 Harley-Davidson Street, XG750
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03-20-2021, 10:03 AM #12
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03-26-2021, 08:23 AM #13
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I run mine at 70lb. If you notice most cars are stickered according to their weight. I can run mine at 70lb and still be 500lb over my GVWR of my trailer. If you deduct my tongue weight then I am over 1500lb under. I don't know my exact weight but I know it is not close to my GVWR, so most likely I am at least 2000lb under rating at 70lb pressure. I figure no need to wear my tires out and shake my trailer apart for no reason.
I used to run everything at max pressure, but after talking to a friend that has ran a tire business for over 30 years, he said if you are running higher rated tires on a light vehicle that it was not such a great idea. For one it greatly reduces your braking, you have a very small patch of tire on the road if your are running on the center of the tire.
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03-26-2021, 09:06 AM #14
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Adjust for loading.
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03-26-2021, 09:12 AM #15
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It only takes about 5 minutes and $12 to get a measurement of your trailer axle load at a CAT scale. I highly recommend this for everyone. Then at least you’ll know exactly what your tires are supporting (overall).
I’m really curious about this discussion as well. Current tires are 235/75R15 and load range C (50 psi). Closest Endurance size is load range E. I think 80 psi would beat the tar out of this little trailer. I’d be happier going by the load tables and inflating to match or slightly exceed current tire capacity (2340 each).2017 F-350 CCSB 6.7L
2021 Micro Minnie 2100BH
previously - Reflection 28BH, Intech Pursue
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03-31-2021, 03:58 PM #16
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i bought the GY Endurance and Discount Tire did not max the pressure and I did not check it.
300 miles into first trip i noticed the edges scuffing off already.
I maxed the pressure out and it's been fine but i feel like i put a couple of years wear on those tires the first trip.
I've been told to run the max pressure or even 5 lbs over the max for best wear and mileage.
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03-31-2021, 04:26 PM #17
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Goodyear Endurance sidewall says 65. 65 it is in my book.
2020 Imagine 2450RL born 7/2019 Anderson hitch
2007 Tundra 5.7 with tow package and RAS
Both retired - still have our S&B
US Army vet (Air Cav baby!) Gulf war combat veteran
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03-31-2021, 05:39 PM #18
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03-31-2021, 06:22 PM #19
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04-01-2021, 04:32 AM #20
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Weigh the trailer hooked up yo your truck to get an accurate nuMber. Then figure the proper inflation.
I usually add 10% to be safe.
Total weight of trailer / total rated weight of tires at max inflation x
Max inflation = correct air pressure.
best strategie on keeping unit...
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