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Old 03-31-2016, 11:35 AM   #21
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Originally Posted by Jim34RL View Post
Are you looking at the LT235/85R16 tires by Goodyear? if so per their load inflation table (chart) these are only good for a load of 3750 LBS @ 110 PSI in a single wheel application at this site: The Inflation Loading - Goodyear RV
So they will not support your Cedar Creek trailer adequately.
Jim
Now that's different from what I have told. I believe that Cedar Creek has 7000 lbs axles so two 3750 tires would be 7500 lbs. The Gross weight is 16407 but about 20% of that is supported by the TV. Then you should use the inflation chart to inflate to the correct scale weight on the 5er axles which should be less than 7000lbs per axles.
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Old 03-31-2016, 12:08 PM   #22
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Originally Posted by BandJCarm View Post
A question........the G614 is touted as the 'best' alternative to the original tires on 5er's, because they are LT and have higher weight rating, but also have higher speed rating.

Yet, several online sources I find show the G614 to be rated at 62mph. That's LESS than an ST tire.

Which is correct? I find a lot of info online, most contradictory or confusing. Is there a link to show the true speed rating of these?

Also, the G114's appear to have a high speed rating, but are on larger rims. Don't know how to find out if they are simply "Replace as is" or "Plug and Play" with the bigger rim, or not........ How does one figure that out before buying?

Thanks.
What size and load capacity are your Original Equipment tires?

The best place to look for a tire's speed rating is on it's sidewall. If you're shopping, the best place to look is on the tire manufacturer's web site. Retailers often build web pages with in-house experience and are often wrong.

Look on page #16.
http://www.goodyearrvtires.com/pdfs/tire-care-guide.pdf

On Edit: http://www.nhtsa.gov/cars/problems/e...ire_safety.htm
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Old 03-31-2016, 12:11 PM   #23
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Now another dumb question. Not everyone going to the scales to determined what pressure they should run in their tires. I have 7000lbs axles and the last weight was 14,100 and 10980 on the rear axles of the 5er. So if just divided 10980 by 4 you get 2745 lbs. So if I inflate the tires to sidewall pressure like I have be told before and used 110 psi with 3750 load rating what negative impact would that have on the tires/5er.
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Old 03-31-2016, 12:29 PM   #24
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Now another dumb question. Not everyone going to the scales to determined what pressure they should run in their tires. I have 7000lbs axles and the last weight was 14,100 and 10980 on the rear axles of the 5er. So if just divided 10980 by 4 you get 2745 lbs. So if I inflate the tires to sidewall pressure like I have be told before and used 110 psi with 3750 load rating what negative impact would that have on the tires/5er.
Does your tire placard list 110 PSI as the recommended tire inflation pressure?

The tire placard has listed the correct pressure for the Original Equipment tires. Anything below that recommendation is considered under-inflation.

The RMA recommends weighing your RV, remove items if overloaded and balance the load.

If you inflate your trailer tires to support less than 3500# you would be under the minimum requirement for your axle system.
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Old 04-03-2016, 08:58 AM   #25
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Speed and Load Ratings too low

After 4 trips in my 2009 21ss Roo, with two blowouts, I decided I needed new tires. I finally found a video at eTrailer that said their tires had M speed rating (81 mph). When they came, sure enough there was an M on the side of the tire. I also upgraded from load range C to load range D. The tires were 1" taller, but fit fine. Trailer manufacturers use the cheapest components they can get away with. That doesn't mean we should.
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Old 04-03-2016, 09:07 AM   #26
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I just checked eTrailers website, and they still show 65 mph rating on the M rated Load range D ST215/75/R14 tires I purchased. They aren't too bright, but they sell good tires.
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Old 04-03-2016, 09:11 AM   #27
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I will send you a PM (private message).

I'm curious as to why you feel you need to PM info rather than post it here for all to see.

Assuming the Cedar Creek in question has 7K axles, the GYG614 will work as already pointed out. The two tires combined will be good to 7500 at 110 PSI each. If you're looking for tires that will support the entire GVWR of the trailer you're barking up the wrong tree, and you're not going to find it.

BandJCarm, what tires are coming installed from the factory on the trailer?

I only ask because the last show we were at, the higher end 5ver's had either Sailun S637's or GY614"s from the factory. The Sailun from my research is a good tire and slightly less expensive then the GYG614.
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Old 04-03-2016, 09:22 AM   #28
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BandJCarm, what tires are coming installed from the factory on the trailer?

I only ask because the last show we were at, the higher end 5ver's had either Sailun S637's or GY614"s from the factory. The Sailun from my research is a good tire and slightly less expensive then the GYG614.
Westlake 16" G rated. Goodyears not available from Cedar Creek anymore.
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Old 04-03-2016, 09:42 AM   #29
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Originally Posted by Jim34RL View Post
Are you looking at the LT235/85R16 tires by Goodyear? if so per their load inflation table (chart) these are only good for a load of 3750 LBS @ 110 PSI in a single wheel application at this site: The Inflation Loading - Goodyear RV
So they will not support your Cedar Creek trailer adequately.
The CC model referenced has a GW of 16,407 and pin weight of 2,407, so wouldn't the total load on the tires be 14,000? 3,750 * 4 tires would be 15,000 so it appears the 614 would meet requirements.
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Old 04-03-2016, 09:45 AM   #30
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That's the way I looked at it, but I admit much of this has kept me confused. I just want a completely safe setup........and tires seem to be a major concern.
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