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Old 05-12-2016, 11:18 PM   #1
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Tire Upgrade wildwood x-lite 185rb

We recently purchased a wildwood x-lite 185rb at a rv show and looking back we should have researched everything a little more.
We decided on the 185rb due to its low weight which tows great behind our 4door Jeep Wrangler.
The problem I thought of and didn't research till after we put ink to paper was the single axle and effects of a blowout should one occur. So I decided to install a over/under axle kit which gave me the necessary clearance for a larger wheel and better tire.
I went from a Chinese produced C rated 14 inch tire (unknown name brand) weighing 39lbs to a United States produced e rated 10 ply 16 inch tire (Michelin xps rib) weighing double at 82 lbs.
I know some will say that it's overkill but I want to have best chance of not having a blowout. I'm wondering if any complications will occur by putting such a heavy duty tire on a 3500lb rated axle. Tongue height matches my lifted jeep receiver so height is good and I don't see camper being too top heavy with these tires?!?
Did I do the right thing or is this a problem waiting to happen?
I would like to hear everyone's opinion.
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Old 05-13-2016, 09:39 AM   #2
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I would think the weight of the tire does not add any weight to the axle, so I would have to ask myself if the weight of the tire really matters in terms of overloading the axle? My thinking is it would not matter since the axle is not carrying that weight. Somehow my trailer came with a bent axle. The dealer order a new one the first week of March. It somehow just now got here. It is hard for me to believe it takes this long to get an axle shipped out. Regardless, I am scheduled to have a new axle put on next week.

I do not get the weight calculations. My camper has a gross weight limit of 3903 pounds. About 400 goes on the hitch, meaning a 3500 pound axle is fine, (just barley). But, if you use a weight distribution hitch, I am thinking you are putting some of that 400 pounds back on the the trailer. So, suppose you are putting half back on the trailer, or 200 pounds. If that is the case, I would think the axle is overloaded at that point. I guess FR is smarter than I am.
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Old 05-13-2016, 11:11 AM   #3
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Well an axle will be my next option . Maybe a 5k. I feel like a pharmaceutical company in that I fix one problem and it creates another one .. But there's a fix for that problem but then it may cause another problem but there's a fix for that... Etc etc. only problem I'm not getting rich haha
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Old 05-13-2016, 12:08 PM   #4
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Quote:
Originally Posted by DougHeffernan View Post
Well an axle will be my next option . Maybe a 5k. I feel like a pharmaceutical company in that I fix one problem and it creates another one .. But there's a fix for that problem but then it may cause another problem but there's a fix for that... Etc etc. only problem I'm not getting rich haha
Different scenario, but I upgraded my tires on my camper in a huge way (from load range E to load range H or J). I have two concerns with what you and I did:

1) It makes it way easier to overload the axle without overloading the tires. I weigh regularly and know where my axle weights stand.

2) Is it going to transfer more shock and roughness to the camper with a harder tire? Like you say above- it's whack-a-mole, I added shocks to the camper to try and combat this.

I just wish the camper manufacturers would design these upgrades in from the factory. But we all know that's a pipedream.
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Old 05-14-2016, 02:13 PM   #5
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Your center of gravity is a bit higher with the two mods. This would be most noticeable in cross winds or a sway event, especially with a single axle TT and a light TV.
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Old 05-14-2016, 04:20 PM   #6
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Tire Upgrade wildwood x-lite 185rb

My only concern is the top heaviness of camper but there are a few campers on the market that are sold with the axle flip already so I will take it easy until I see what happens.
I'm glad I went with the Michelin. Steel ply and there's a lot of meat on the sidewalls.
Well here she is with 16 " wheels 10 ply Michelin XPS Rib tires. Weight distribution with sway control installed . Jeeps rear end dropped 1/2 inch .
Camper and jeep about the same height. Going check weight Monday. Should I call her the SS money pit or SS death trap lol
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Old 05-17-2016, 06:58 AM   #7
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I upgraded the tires on my Flagstaff from factory Class C ( inflation was at 40 pounds) to a Class D (inflation now at 60 pounds). While the tt pull seems to be the same or maybe
A little better, the tt has become a bit more bouncer, with rougher ride in tv. Talked to tire manufacturer Duro about reducing the tire pressure by 10 pounds and was told a definite no due to increased road heat on the tires and incresed tire wear. In progress to have Air Lift 5000 air bags installed to see if ride is softened some. Doing this as I noticed that the hitch drop increased about 1.5 inches from my original purchase settings. Checking to cut down tounge weight as well, our tt has a front kitchen so adding weight due my cooking pastime with cast iron could be an issue. Will be storing cast iron in tv in future.
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Old 05-17-2016, 09:13 AM   #8
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All the downside comments are correct you are sort of playing wack a mole. But the upside here is that you have probably completed the most important upgrade of all with the heaver duty tires. All RV seem to really skimp on the tires, most only meet the minimum requirements. Also as in my case (every case is different) the tires were rated at less than the axles so the tires were my limiting factor.
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Old 05-17-2016, 09:20 AM   #9
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Tire Upgrade wildwood x-lite 185rb

Single axle ? Mine would drop about 1 1/2 inches until I put weight distribution hitch.
Really pulls better than expected. Only thing is tractor trailers really push me around. Going to tighten up sway control and see what that will do.
Went to the cat scales and it was really convenient and fast. I weighed it twice with WD and then again with out bars and off hitch. I'm at 300 lb tongue weight.
Everything is within limits
This is with WD attached and fully loaded.

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Old 05-17-2016, 10:07 AM   #10
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Tire Upgrade wildwood x-lite 185rb

Like clr mentioned in an early post about wishing manufacturers would design for upgrades but they don't and they're really missing out on upsales with wheels and tires ..
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