Scamp 13" tires - Page 3 - Fiberglass RV


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Old 07-01-2016, 09:53 AM   #29
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Name: David
Trailer: 2013 Scamp 16'
Wisconsin
Posts: 65
I am about to buy 2 new tires for my 16' Scamp. I've read the posts on this forum which are always informative and interesting. Following is a log of my thought process, for what is worth.
........
I cannot figure out why the smaller width tire is more expensive:

Carlisle Radial Trail Tire - 185/80R13 0R C1. $47 plus Prime discount @ Amazon
Carlisle Radial Trail RH Trailer Tire - ST175/80R13 6ply $61 to $75 3rd party thru Amazon. (never found an answer to that question)

Am I missing something important? The lower cost one does not have a prefix. That seems to mean it's a European metric. From what I've read it makes no difference and will work on the Scamp.

Also note that my 2013 Scamp has "made in China. MR01" stamped on the sidewall. I think this means made in March 2001. Rather old for a new 2013 Scamp!

One tire picked up a screw in UP Michigan this past weekend. Spare works fine, but the dangers posted on this site and the age of tire tell me to buy 2 new tires. I have about 20,000 miles on the tires. Agreed? Buy new?

The more I research trailer tires the more unclear I am about which are the best, if any. Having checked with a couple of my local shops, I've decided to buy the Carlisle 185/80R13 from my one of them for just a few dollars more than Amazon. He also uses the lug balancing technique.



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Old 07-01-2016, 10:02 AM   #30
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Trailer: 2004 13 ft Scamp Custom Deluxe
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Quote:
Originally Posted by Carol H View Post
I personally would not tow my trailer with miss matched tires or any that I did not know for sure were less than five years of age. Looking at them tells you nothing. RV tires tend to degrade from the inside out. Due to the weight of your trailer you probable should be inflating to max inflation rate as stated on the tire. .
Perhaps... Looking at them tells YOU nothing!
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Old 07-01-2016, 10:39 AM   #31
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Name: Charles
Trailer: Scamp 16
Ohio
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What is the load rating? Should be at least 1350 lbs. I prefer bias ply myself. Everyone is different. The Scamp rides low enough as it is and the radials always look low on air when they aren't. I find myself checking them too much hehehe.
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Old 07-01-2016, 08:18 PM   #32
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Name: David
Trailer: 2013 Scamp 16'
Wisconsin
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I want to update my post. I incorrectly identified the manufactured date on my tires. In fact it was a week in 2012, not 2001. The proper code was on the side of the tire facing the Scamp! So look carefully for it. The mechanic had to learn how to use the lug nut method of balancing. It's not done often now. The real kicker was that the wheels were bent, not noticeably damaged, but a little off round. That makes it impossible to balance it perfectly. The tires are balanced with the weights needed, but the wheels still have this slight curvature problem. The mechanic said that new wheels are likely to be imperfect as well. I will watch how they wear. The off-round wheels on trailers are the primary reason many places do not balance trailer tires.


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Old 07-02-2016, 01:18 AM   #33
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Trailer: Casita SD17 2006
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Quote:
Originally Posted by Dsironi View Post
I want to update my post. I incorrectly identified the manufactured date on my tires. In fact it was a week in 2012, not 2001. The proper code was on the side of the tire facing the Scamp! So look carefully for it. The mechanic had to learn how to use the lug nut method of balancing. It's not done often now. The real kicker was that the wheels were bent, not noticeably damaged, but a little off round. That makes it impossible to balance it perfectly. The tires are balanced with the weights needed, but the wheels still have this slight curvature problem. The mechanic said that new wheels are likely to be imperfect as well. I will watch how they wear. The off-round wheels on trailers are the primary reason many places do not balance trailer tires. Sironi
In answer to your other post on tire brands, my tire guy from all the way back to 1971 recommended Hurcules STs as he has never had one come back for problems. I'm using ST205/75R14 on my SD17 and they ride fine.
Just have to ask what the reason is for a lug nut balance over wheel weights.
When you say your wheels were a little off round, was that side to side or up and down?
I find your mechanics thoughts of new wheels being imperfect is a huge stretch. A used trailer rim I could see, not a new one. Curbs can bend them for sure. Most everything is CNC cut and robot welded and with the big $$$ of some wheels today.....can't see that happening. Any tire I've had mounted, even on a little 4x8 utility were balanced with no comment from the dealer. JMHO, might be time to look for another tire dealer.
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Old 07-02-2016, 09:32 AM   #34
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Several of these posts mention 'lug balancing'. Are we talking about lug centric as opposed the hub centric here?
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Old 07-02-2016, 02:15 PM   #35
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Name: David
Trailer: 2013 Scamp 16'
Wisconsin
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Yes, lug centric balancing vs hub centric.
The wheels were not true left to right. Were they spokes, you would adjust the tension to true the wheel. Top to bottom off-round (elliptic?) was not noticed, but,I think, being off left to right would require somewhat of a top to bottom issue. I really am unsure how much of a wear issue this will be, since the flex in the tire should compensate some for this minor(?) un-roundedness.



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