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Old 10-07-2014, 01:42 AM   #11
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Quote:
Originally Posted by davel1971 View Post
wheels are rated for weight and pressure.
I agree 100%...at least they usually are. So far I find no PSI rating on my wheels, but I have not inspected them thoroughly. I have also read that others with the same wheels could not find this rating.

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Originally Posted by davel1971 View Post
You must verify both are in spec for the tires you want to use.
Personally, I disagree. A chain is only as strong as it's weakest link. I see no problem with my wheels being the weakest link...as long as I don't exceed their capacity.

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Originally Posted by davel1971 View Post
Running D tires at a lower pressure isn't an option either.
Goodyear, TireRack, and myself do not agree with you on this. Please see my earlier post for the links.

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Originally Posted by davel1971 View Post
If you can't find the max PSI on the wheel, you need to contact manufacturer
This is good advice and I agree totally. However, this information is irrelevant to my original question.

I simply asked those who have tread this path before me (D or E tires on C wheels) whether or not they received pushback from their installers. Based on the lack of posts about it, my assumption is that they generally don't...but I wanted to ask the specific question to see what they had to say.
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Old 10-07-2014, 05:31 AM   #12
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I think you are right on track with what you are wanting to do. You absolutely can put higher rated tires on your rims as long as you don't exceed max pressure, and you able to inflate to min pressure. You are not increasing your load, so discussing load weights is irrelevant. I would imagine your wheel is rated for around 65psi or better. Your yellow tag should tell you what pressure to inflate your tires to, same as door tag on vehicle.


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Old 10-07-2014, 06:18 AM   #13
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Quote:
Originally Posted by GreenImp View Post
I know you are well intentioned, but you evidently do not understand my intention. I want to reuse the wheels that came with my trailer and therefore are rated high enough for it. I am simply wanting to reduce the risk of blowouts by adding an additional safety factor vs the factory tires as far as weight capacity. I will NOT be utilizing this additional capacity other than by running my tires at a preferred 80% of capacity rather than the near 100% of capacity the factory tires are running at. I am not concerned about running the wheels near capacity.
Let me try and clear this question up for you. You have the same rims that I do. The inside rim is stamped at 60 lbs. I went from a "C" rated 50 PSI to a GY Marathon "D" rated with no problems at all. You really do not need to go up to "E" rated. I have the chart from the wheel Manufacturer. I will try to attach it. Max inflation PSI for the new tires are 65 PSI. I wouldn't try to go to "E" being the pressure rating, You would need new rims for that. Also GY recommend to me to move up to "D" rated and said no problem with the rim holding the extra 5 lbs psi. If there was a concern by law they couldn't install them. The web address for rims is stamped on your hub cap. Google them and it will gave you the PSI and load rating. They are still Series 06 as attached but will give the PSI which the attached doesn't.
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Old 10-07-2014, 07:11 AM   #14
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Tires

I went with E's @ 65PSI on the 2150 rims. If they crap out, so be it. The C's certainly would at some point so maybe I'm better off. Trailer tires are like Russian Roulette anyway. Time will tell, they don't heat up like the C's at least.
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Old 10-07-2014, 08:11 AM   #15
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Wow. You were able to find the specs on the rims? I am going to try that today.

My rims happen to have a sticker that says they are Sumec rims. Cannot seem to figure out what model they are. If it was not for the new sticker on the rim, I doubt I would know who made it.

Is this information stamped onto the rims? Is it easy to see? Inside the wheel well? Inside the tire?

I too would like to move up to D rated tires for my 14" rims.

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Old 10-07-2014, 08:25 AM   #16
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Most rims have the tire pressure either stamped or embossed on the inside of the wheel.....tire has to come off to see it.
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Old 10-07-2014, 08:29 AM   #17
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Ok. Thx CP.
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Old 10-07-2014, 08:58 AM   #18
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I replaced my trail express "C"s (aftrr a blowout) with gy marathon "D"s last July. Was on the road and found brand new ones at a Walmart in canton Texas. The only resistance to installing them was one employee griping about having to go out into the sun with a floor jack to do it. Then he put the balance weight on the outside of the wheel on the flat one. Duh!
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Old 10-07-2014, 09:34 AM   #19
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A couple of weeks ago I put Maxxis 8008 E rated tires on the stock rims of our 8289ws, bought and installed at discount tire. Myself nor the tire tech or the manager could find any pressure ratings or markings on any of the wheels except for "MADE IN CHINA" stamped on them. Anyway I run them at 70 psi cold. With about 400 miles on them so far so good. I also had them balanced and install steel valve stems, I roll with a tpms system on the tires.
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Old 10-07-2014, 09:44 AM   #20
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Originally Posted by AquaMan View Post
I think you are right on track with what you are wanting to do. You absolutely can put higher rated tires on your rims as long as you don't exceed max pressure, and you able to inflate to min pressure. You are not increasing your load, so discussing load weights is irrelevant. I would imagine your wheel is rated for around 65psi or better. Your yellow tag should tell you what pressure to inflate your tires to, same as door tag on vehicle.


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This is my experience as well.

My steel rims are rated for max WEIGHT and are stamped as such.

As long as you do not exceeds the max rated load of the rims (verify with a wheel scale to be sure), the pressure should not be a factor (with steel rims - Aluminum rims have a max pressure due to casting issues I am told).

Make sure if you go up a range, that you upgrade your rubber stems as they also have a max pressure associated with them (60 PSI) and D rated or higher tires need metal high pressure stems. Tire Valve Stems: The Tire Valve Stem Selection Process
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