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Old 03-07-2016, 08:09 PM   #51
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When I was at Ford.
I replaced many p load tires with e.

Bumped them up to 60-70 psi. Never even looked at the rims.
The rims didn't change with the tires on the fords.


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Old 03-07-2016, 11:07 PM   #52
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Originally Posted by bbcutright View Post
Airdale, That's about what I have decided was a good area to be in. It drives like a different vehicle at that rating and that's good. To my knowledge they did not verify the rims. How do you do that?
The rims are required to have the manufacturer's name and model/serial number on them. You can email or call for specs.

Another option is to go back and make the installing retailer do their job.
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Old 03-07-2016, 11:35 PM   #53
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Originally Posted by bbcutright View Post
Airdale, That's about what I have decided was a good area to be in. It drives like a different vehicle at that rating and that's good. To my knowledge they did not verify the rims. How do you do that?
After working for auto dealers for years. You will probably never find anyone that will answer your question about psi ratings, or hardly any info of specific wheel load rating specs for OE wheels.
Unless you have a "in" in the engineering department or from an OE supplier, you will probably never find a REAL answer to these questions.
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Old 03-07-2016, 11:49 PM   #54
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Originally Posted by Airdale View Post
The rims are required to have the manufacturer's name and model/serial number on them. You can email or call for specs.

Another option is to go back and make the installing retailer do their job.
I dont think you have you facts straight. Most OE vehicle wheels will have a casting mark, but most do not have part numbers let alone serial nunbers on them. If they did, it would help us out tremendously! We replace or send out to be repaired, several wheels a day. And when we order wheels, it can be a real hassle trying to get the right ones.
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Old 03-08-2016, 12:24 AM   #55
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I forgot to mention our FW weighs 9,000 pounds dry and have maybe another 1,000 pounds of stuff in it.



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Old 03-08-2016, 12:28 AM   #56
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I dont think you have you facts straight. Most OE vehicle wheels will have a casting mark, but most do not have part numbers let alone serial nunbers on them. If they did, it would help us out tremendously! We replace or send out to be repaired, several wheels a day. And when we order wheels, it can be a real hassle trying to get the right ones.
I have a set of mag wheels in storage with aluminum outer ring and magnesium centers from the early 60's that won't hold air and needs tubes - can you help me out... I really do have them to...
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Old 03-08-2016, 03:59 AM   #57
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Actually rim information is more complicated than tires. I try to keep posts to as few words as possible but often get super long winded.

The first responsibility for matching tires to rims belongs to the tire manufacturers. They must determine what rim is suitable for every tire they manufacturer. Then they must compile a listing and provide that listing to whoever is responsible for marrying the tire and rim selections together. They must also make the listing available to the public. Retailers have folders with such information.

The Society of Automotive Engineers (SAE) are responsible for setting the specifications for rims/wheels.

This is an excerpt from a Bridgestone/Firestone replacement tire manual (page 13). “Never exceed the maximum load capacity and/or inflation pressure of the wheel.

Bottom line; The information is on the rim in some form. Why? Because the vehicle manufacturer has certified it to be there.

This rim thing can go on and on because it’s in print in every regulation for all situations. So, IMO, the best answer is in the tire industry standards which says match the tire to the rim by size, load capacity and tire inflation pressure. If in doubt talk to a manufacturer responsible for such fitments.
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Old 03-08-2016, 07:14 AM   #58
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Originally Posted by Airdale View Post
Actually rim information is more complicated than tires. I try to keep posts to as few words as possible but often get super long winded.

The first responsibility for matching tires to rims belongs to the tire manufacturers. They must determine what rim is suitable for every tire they manufacturer. Then they must compile a listing and provide that listing to whoever is responsible for marrying the tire and rim selections together. They must also make the listing available to the public. Retailers have folders with such information.

The Society of Automotive Engineers (SAE) are responsible for setting the specifications for rims/wheels.

This is an excerpt from a Bridgestone/Firestone replacement tire manual (page 13). “Never exceed the maximum load capacity and/or inflation pressure of the wheel.

Bottom line; The information is on the rim in some form. Why? Because the vehicle manufacturer has certified it to be there.

This rim thing can go on and on because it’s in print in every regulation for all situations. So, IMO, the best answer is in the tire industry standards which says match the tire to the rim by size, load capacity and tire inflation pressure. If in doubt talk to a manufacturer responsible for such fitments.
Your going to have to do better than that to prove me wrong. Because im saying it is not on most OE wheels.
I need factual proof to prove otherwise. (Like a number sequence, symbol etc)

If you're going to tell us and op that we need to know our rim ratings for switching tires, you need to have real proof as to how to find this!
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Old 03-08-2016, 08:14 AM   #59
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To be of any use to you the tires need to carry 80PSI. But sadly your wheels probably cannot handle that pressure. Lets face it,you got the wrong tires for your SUV. Dealer should never have sold them or installed them on your vehicle.
I don't know where people come up with this pressure rating for wheels .
65 psi or 80 psi makes no difference to the wheel . wheels are rated for weight carrying capacity like tires never seen or heard of psi rating for wheels till i stopped by here . my TH came with 2450 6 ply d 65 psi max rated tires . i replaced them with e rated tires good for 2830 lbs at 80 psi the wheels are rated for the same 2830 . nothing about psi and to think 15 psi would make a difference to the wheel is crazy
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Old 03-08-2016, 08:25 AM   #60
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I don't know where people come up with this pressure rating for wheels .
65 psi or 80 psi makes no difference to the wheel . wheels are rated for weight carrying capacity like tires never seen or heard of psi rating for wheels till i stopped by here . my TH came with 2450 6 ply d 65 psi max rated tires . i replaced them with e rated tires good for 2830 lbs at 80 psi the wheels are rated for the same 2830 . nothing about psi and to think 15 psi would make a difference to the wheel is crazy

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