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04-28-2022, 12:23 PM
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#1
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Senior Member
Join Date: Feb 2019
Location: Schertz
Posts: 1,017
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Max PSI?
I replaced my Goodyear Endurance tires with Carlisle Trail HD F-rated tires. Their max psi is 95 with a max weight of 3960 lbs per tire. My question is should I still run the max of 95 psi cold pressure even though that far exceeds the max capacity of my trailer? Or is there a load index tire pressure chart I should be using? Seems like max pressure would cause unnecessary bouncing but may be the safest thing to do. Thanks in advance!
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04-28-2022, 01:05 PM
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#2
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Senior Member
Join Date: Mar 2015
Location: Abingdon
Posts: 6,177
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Myself, I always run my tires at max psi. Most tire manufacturers recommend it too.
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04-28-2022, 01:08 PM
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#3
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Senior Member
Join Date: Oct 2019
Location: Whitby Ontario
Posts: 570
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Quote:
Originally Posted by twp723
myself, i always run my tires at max psi. Most tire manufacturers recommend it too.
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no they dont thats why they make load charts
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04-28-2022, 01:16 PM
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#4
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Senior Member
Join Date: Mar 2015
Location: Abingdon
Posts: 6,177
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Quote:
Originally Posted by billcf7
no they dont thats why they make load charts
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Right.
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04-28-2022, 01:23 PM
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#5
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Senior Member
Join Date: Mar 2017
Location: Kingman, AZ
Posts: 1,949
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I run my Goodyear Endurance tires according to their load chart...60psi.
Carlisle should have their own pressure chart.
Running at max pressure just makes for a bumpy ride, especially if the tires are unbalanced.
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04-28-2022, 02:05 PM
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#6
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Senior Member
Join Date: May 2012
Location: Minnesota
Posts: 9,736
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I have never seen a load chart for Carlisle trailer tires. I too run the max tire pressure. For me, it went up 10 psi.
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04-28-2022, 02:29 PM
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#7
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Senior Member
Join Date: Mar 2015
Location: State of Confusion
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Oh boy, oh boy, oh boy!!
Murff
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04-28-2022, 02:56 PM
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#8
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Senior Member
Join Date: Oct 2019
Location: Phoenix
Posts: 3,825
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Quote:
Originally Posted by Murff
Oh boy, oh boy, oh boy!!
Murff
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Yep another tire inflation post. Let the games begin
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04-28-2022, 02:58 PM
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#9
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Senior Member
Join Date: Mar 2017
Location: North Texas
Posts: 3,505
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Quote:
Originally Posted by rkymntsno
I replaced my Goodyear Endurance tires with Carlisle Trail HD F-rated tires. Their max psi is 95 with a max weight of 3960 lbs per tire. My question is should I still run the max of 95 psi cold pressure even though that far exceeds the max capacity of my trailer? Or is there a load index tire pressure chart I should be using? Seems like max pressure would cause unnecessary bouncing but may be the safest thing to do. Thanks in advance!
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Lots of people here love discussing air pressure. lol
In any case, I see the specs on your trailer state a GVWR of 14,995# and if you take the 3960# you mentioned times 4 tires that would be 15,840# which would give you a little room for margin (845 lbs) which would be good in case one axle supports more weight than the other at times such as when going over a speed bump or even if one side is loaded a little heavier than the other side.
So, with that said, I would run the 95 psi if that was my setup with those tires. Also, I firmly believe (and have read) that it is better to have a little more air than needed than it is to have a little less air than needed and with the 95 psi you will be in good shape to carry the GVWR. ~CA
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04-28-2022, 02:59 PM
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#10
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Senior Member
Join Date: Oct 2019
Location: Phoenix
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Where did you buy the tires? Generally the tire sales people are pretty up on the tires they sell. Did you ask them?
When I purchase tires or go in to have them rotated Discount inflates to the door post figure. Even though that may be a "legal" move, it make sense.
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04-28-2022, 03:47 PM
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#11
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Senior Member
Join Date: Mar 2017
Location: Kingman, AZ
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Quote:
Originally Posted by CAG
Discount inflates to the door post figure. Even though that may be a "legal" move, it make sense.
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The door post sticker on a tow vehicle, or the tire information sticker on an RV reflects the specs of the original tires that were on the vehicle when shipped from the factory. Any changes in tire size, or load ratings such as going from a "P" rated tire to a "LT" rated tire makes the door sticker obsolete.
More popcorn please.....
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Lee & Kathy, and our alarm clock Jake!
2017 Starcraft Autumn Ridge 266RKS 50 amp.
2017 Toyota Tundra Crewmax 4x4, 10-1-2021
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04-28-2022, 03:55 PM
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#12
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Senior Member
Join Date: Oct 2019
Location: Phoenix
Posts: 3,825
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Quote:
Originally Posted by Route 66 Traveler
The door post sticker on a tow vehicle, or the tire information sticker on an RV reflects the specs of the original tires that were on the vehicle when shipped from the factory. Any changes in tire size, or load ratings such as going from a "P" rated tire to a "LT" rated tire makes the door sticker obsolete.
More popcorn please.....
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Goes without saying or in other words Intuitive.
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04-28-2022, 04:18 PM
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#13
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Senior Member
Join Date: Jul 2016
Location: Mapleton
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Not sure if this is your exact tire but this is a carlisle chart. My Endurance tires are an upgrade and sidewall at 65 but chart out at 55. Much smoother ride over 65, no cabinets shaking open and spilled. Check your actual scale weight on each side and take it to the chart.
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04-28-2022, 06:42 PM
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#14
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,767
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My rig came with E rated ST tires. I have upgraded to G rated years ago. They are rated to carry more the original oe tires so I do not run them at max pressure.
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04-28-2022, 07:09 PM
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#15
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Senior Member
Join Date: Feb 2019
Location: Schertz
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Quote:
Originally Posted by norty1
My rig came with E rated ST tires. I have upgraded to G rated years ago. They are rated to carry more the original oe tires so I do not run them at max pressure.
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That's exactly my point but sorry for bringing it up and the big discussion. Original tires were Goodyear E rated Endurance. These are Carlisle F rated Trail HD which can carry max 16000 lbs which mine caps out at 14,900. So to inflate less than max would be a guess as I have not found any Carlisle load charts anywhere.
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2018 Ram 3500 CC Longhorn LB SRW w/timbrens
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04-28-2022, 07:13 PM
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#16
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Senior Member
Join Date: Feb 2019
Location: Schertz
Posts: 1,017
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Quote:
Originally Posted by CAG
Where did you buy the tires? Generally the tire sales people are pretty up on the tires they sell. Did you ask them?
When I purchase tires or go in to have them rotated Discount inflates to the door post figure. Even though that may be a "legal" move, it make sense.
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Discount Tire. And their tire pump only goes up to 90 psi so they didn't even max it at 95. When I followed up with them today they told me to run 90 or 85 in them to allow for expansion which I already know is incorrect.
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2018 Ram 3500 CC Longhorn LB SRW w/timbrens
2019 Jayco Eagle 355MBQS
Pullrite 2600 Superlite
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04-29-2022, 01:11 PM
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#17
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Senior Member
Join Date: Sep 2015
Location: Mexico Beach
Posts: 2,185
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When I first got my FW I ran 110 psi as per the Jayco sticker. You need to weigh your trailer to get the axle weights. Fully loaded up and with 1/4 on all tanks my axles were 12,800. So Goodyear G614 chart calls for 90 psi which gives 13,200 for both axles. I run 95 psi which gives me 13,660 so when I travel with full water to dry camp I still have about 200-300 lbs to the good.
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04-29-2022, 02:30 PM
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#18
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Senior Member
Join Date: Dec 2015
Location: Arizona
Posts: 2,324
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Anybody have there trailer tires balanced when replaced? We run are tires about 10lbs low at the start of a camping run.
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04-29-2022, 03:00 PM
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#19
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,767
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I have always had new rv tires balanced, why not?,
Rock: I have Goodyear G-614's and use the same chart. My rims are rated for 110psi and I run 90 psi cold.
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04-30-2022, 10:44 AM
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#20
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Senior Member
Join Date: Sep 2015
Location: Mexico Beach
Posts: 2,185
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I love those tires but sure are pricey. I will be replacing after this year even though they still look like new.
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