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Old 04-28-2022, 12:23 PM   #1
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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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Old 04-28-2022, 01:05 PM   #2
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Myself, I always run my tires at max psi. Most tire manufacturers recommend it too.
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Old 04-28-2022, 01:08 PM   #3
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myself, i always run my tires at max psi. Most tire manufacturers recommend it too.
no they dont thats why they make load charts
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Old 04-28-2022, 01:16 PM   #4
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no they dont thats why they make load charts
Right.
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Old 04-28-2022, 01:23 PM   #5
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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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Old 04-28-2022, 02:05 PM   #6
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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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Old 04-28-2022, 02:29 PM   #7
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Oh boy, oh boy, oh boy!!



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Old 04-28-2022, 02:56 PM   #8
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Oh boy, oh boy, oh boy!!



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Yep another tire inflation post. Let the games begin
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Old 04-28-2022, 02:58 PM   #9
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Quote:
Originally Posted by rkymntsno View Post
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!

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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Old 04-28-2022, 02:59 PM   #10
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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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Old 04-28-2022, 03:47 PM   #11
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Discount inflates to the door post figure. Even though that may be a "legal" move, it make sense.
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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Old 04-28-2022, 03:55 PM   #12
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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.....

Goes without saying or in other words Intuitive.
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Old 04-28-2022, 04:18 PM   #13
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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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Old 04-28-2022, 06:42 PM   #14
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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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Old 04-28-2022, 07:09 PM   #15
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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.
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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Old 04-28-2022, 07:13 PM   #16
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Originally Posted by CAG View Post
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.
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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Old 04-29-2022, 01:11 PM   #17
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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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Old 04-29-2022, 02:30 PM   #18
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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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Old 04-29-2022, 03:00 PM   #19
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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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Old 04-30-2022, 10:44 AM   #20
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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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