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Old 12-13-2019, 07:53 PM   #1
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Pastor Bruce's Avatar
1998 31' Excella 1000
Quartzsite , Arizona
Join Date: Jul 2016
Posts: 15
Changing rims/tires on 1998 31' Excella 1000

I have researched the Forums for advice, but would appreciate specific advice in regards to my trailer. I currently have the original 15" steel rims on my trailer. I will have owned the trailer for a year in January and just towed over 8500 miles this past summer, without any problems. It is coming up to time to replace the tires (previous owner put on new "off-brand" tires 2+ years ago, so there is about 12000+ miles on them). I am considering going to 16" aluminum rims and tires. Any of you that have the same trailer, were there any wheel well clearance problems going to the 16". I know people have varying opinions on brands of tires... What I am interested in knowing is it "worth it" to go to 16" as opposed to staying at 15"? Ride, control, towing, etc. Any particular brand/model of rims? Sendel T03 seems to be most popular. What about metal stems as opposed to rubber?
Thanks for any advice.

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Old 12-13-2019, 09:11 PM   #2
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Beverly Hills , California
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Posts: 87
I am playing in the same territory of trailer as yours.

Stepped up to 16" aluminum wheels from 15" steel and no issues.

To see if this will work for your 31' foot trailer, the increase is only about 1/2" in each direction.

For stems, I usually go with the metal. IIRC, if going with Load E tires, the wheels will probably need metal stems anyway.

Another thing to consider during tire / wheel change is whether to add dynamic balancing to the mix by way of Centramatics or balance beads.

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Old 12-15-2019, 06:34 AM   #3
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1966 26' Overlander
Phoenix , Arizona
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Prior to a couple of years ago, moving up to a larger rim size was a thing to get tires that had greater load capacity without spending large amounts of money on a non-common tire. (Getting into a situation of needing a tire on a trip one has to take what is available out in the country)

One of the most common tires was a Marathon. And in the largest capacity it wasn't doing the job. Trailer tires need some reserve capacity (115% of max load would be a good place and more could be better) The Marathon was replaced with the Endurance. The Endurance comes in greater load capacity. Is commonly available. And since it's introduction the "Žvent" rate is far less than the Marathon. This is the main reason moving up to a larger wheel/tire combination has been done in the past.

If you are going to an alloy wheel in a larger size for appearance, I do not have the data for your trailer size. My experience has been with older and slightly smaller trailers.

As to the question is it worth it. Difficult for me to answer for you. The answer of tire performance has been answered. Metal stems are needed for higher pressures and are more reliable in general. For that reason I would use them every opportunity possible. The upgrade in alloy wheels is a personal choice as they do not add performance over correct a steel wheel.

1966 Mercury Park Lane 4 DR Breezeway 410 4V, C-6, 2.80 - Streamless.
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