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04-28-2016, 04:59 PM
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#21
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Senior Member
Join Date: Jul 2013
Location: Liberty, Texas
Posts: 5,034
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So why are you wanting to run 100psi in a wheel that is only rated for 94? It isn't much over, but it's over. Why not run the tires at 94 or 90psi?
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04-28-2016, 05:38 PM
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#22
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Member
Join Date: Apr 2012
Location: Newark,Ca
Posts: 91
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I will see how things work out. As.far as the tread wears. I was hoping for many more responses . So I am on on my own now.
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04-29-2016, 06:20 AM
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#23
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Here's the deal with the Michelin XPS Ribs. None of them have the load capacity of your Original Equipment tires. Look in the reference below.
http://www.michelinman.com/US/en/hel...res.html#tab-4
Wheel spacing can be a problem when going to any 85 tire. They are normally taller than the 80 tires. Even the ST235/85R16E (3640#) and ST235/85R16F (3969#) are taller.
You will hear a lot of different talk about rim size and capacity. If you narrow that information down to tire industry standards the recommendations will always be to have rims equal to the maximum weight and PSI requirements of the tires fitted to them.
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04-29-2016, 06:29 AM
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#24
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by gearhead
So why are you wanting to run 100psi in a wheel that is only rated for 94? It isn't much over, but it's over. Why not run the tires at 94 or 90psi?
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The industry standard for replacement tires is to meet the load requirements of the original tires. So if the originals provided 3520# of load capacity at a recommended tire inflation pressure of 80 PSI you are supposed to go to the load inflation chart for the replacement tires and inflate them to what ever PSI will provide that 3520#.
In actuality, when aired to that sort of value you gain nothing but durability from the replacements because strength is only proportional to the amount of inflation pressure used.
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04-29-2016, 06:33 AM
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#25
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by darrylwt
Is the 235/85/16 a LT tire?
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The LT235/85R16 can be found in LRE & LRG. The ST235/85R16 are now being built in LRE, LRF and LRG.
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04-29-2016, 06:43 AM
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#26
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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All of the steel cased 16" tires used for trailer service have a minimum rim width of 6.5". Some of their tire manufacturers are so serious about it they are putting that information on the tire's sidewall. Below is a picture of a tire so marked.
http://www.irv2.com/photopost/showfull.php?photo=29709
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04-29-2016, 07:46 AM
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#27
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Member
Join Date: Apr 2012
Location: Newark,Ca
Posts: 91
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Does anyone have a link to the pressure calculator?
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2015 GMC 2500 HD
2012 314FWRLS Copper Canyon
Pullrite Superglide 16K Hitch
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04-29-2016, 09:57 AM
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#29
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Senior Member
Join Date: Jul 2013
Location: Liberty, Texas
Posts: 5,034
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Quote:
Originally Posted by CWtheMan
The industry standard for replacement tires is to meet the load requirements of the original tires. So if the originals provided 3520# of load capacity at a recommended tire inflation pressure of 80 PSI you are supposed to go to the load inflation chart for the replacement tires and inflate them to what ever PSI will provide that 3520#.
In actuality, when aired to that sort of value you gain nothing but durability from the replacements because strength is only proportional to the amount of inflation pressure used.
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CW, either I can't write, I misunderstood the poster, or you misunderstood me.
He said his wheels were rated for 94 psi, but he was going to inflate them to 100 psi. I was just raising the issue that he was over inflating his wheels.
__________________
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04-29-2016, 03:53 PM
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#30
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by gearhead
CW, either I can't write, I misunderstood the poster, or you misunderstood me.
He said his wheels were rated for 94 psi, but he was going to inflate them to 100 psi. I was just raising the issue that he was over inflating his wheels.
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You see, after he did it you followed suit. I was just trying to squeeze out the right nomenclature. Tire for tire and wheel/rim for wheel/rim. The 94 number does not fit anything.
He said above "wheel rated for 94 psi". Later on he in another post he asks what the Goodyear's were rated for. Again I surmise he is asking about tires and their inflation pressures.
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04-29-2016, 05:05 PM
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#31
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Senior Member
Join Date: Jul 2013
Location: Liberty, Texas
Posts: 5,034
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Ok. I took him for his word that the wheel was rated for 94. Then when he said he was going to run them at 100, I just wanted to point out that he was beyond the pressure rating of the wheel.
I went back and read it, and yes the way I wrote it, it could be misinterpreted. I was trying to say if the wheel is rated for 94psi, he could run them at 90, or whatever # I said.
I can't stand referencing wheels as rims. That is 2 different things to me. My opinion a rim is bolted to wheel, like on a 1938 Mack truck. For some reason using the term rim width doesn't bother me! Yeah, I'm crazy.
__________________
2018 Ram 3500 Laramie CC DRW LWB 4X4 Cummins Aisin 3.73
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2018 Heartland Landmark 365 Oshkosh
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04-29-2016, 09:27 PM
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#32
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by gearhead
I can't stand referencing wheels as rims. That is 2 different things to me. My opinion a rim is bolted to wheel, like on a 1938 Mack truck. For some reason using the term rim width doesn't bother me! Yeah, I'm crazy.
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I hear you. A lot depends on where your (if any) training came from. Mine came from Naval Aviation. In that context we were told that when a wheel in two parts it was in fact a wheel (Naval Aviation Maintenance Manual nomenclature) and when it was a single unit it was a rim. There was probably a test question in there somewhere.
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04-30-2016, 04:13 AM
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#33
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Senior Member
Join Date: Jul 2013
Location: Liberty, Texas
Posts: 5,034
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Quote:
Originally Posted by CWtheMan
I hear you. A lot depends on where your (if any) training came from. Mine came from Naval Aviation. In that context we were told that when a wheel came apart it was in fact a wheel (Naval Aviation Maintenance Manual nomenclature) and when it was a single unit it was a rim. There was probably a test question in there somewhere.
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Airedale eh. I was a ET(R) reservist. Barely remember Ohms Law.
But I will remember some laws and formulas for life. None of which can be repeated here.
__________________
2018 Ram 3500 Laramie CC DRW LWB 4X4 Cummins Aisin 3.73
Reese Goosebox 20K
2018 Heartland Landmark 365 Oshkosh
2008 Bigfoot 25C9.4 LB Cabover
2023 CanAm Defender SXS
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05-07-2016, 08:21 AM
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#34
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Senior Member
Join Date: Jul 2014
Location: Nevada
Posts: 2,695
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Quote:
Originally Posted by gearhead
Airedale eh. I was a ET(R) reservist. Barely remember Ohms Law.
But I will remember some laws and formulas for life. None of which can be repeated here.
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Ahh...education not taught in schools. Invaluable in the real world.
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