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 > Changing wheel size

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JJBIRISH

Butler, PA, USA

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Posted: 06/22/12 12:18pm Link  |  Print  |  Notify Moderator

McZippie wrote:

JJBIRISH wrote:

If you 15 inch wheels are 5 bolt chances are you won’t find a 16 inch rim…
If they are 6 bolt you can find rims, if you can fit them under the trailer…


Why do these myths never end?... kind of like my current Class C tire size thread "Myth Busted" over on the Class C formum.

There are many choices of 5 bolt 16" rims. Search for after market car rims instead of a trailer rims. Expensive boat trailer companies even offer 'Dubs'...




What myth are you talking about… the one you just made up…

You can order almost anything including rims you want from China if you are willing to buy between 80 to 100 of them, but no one socks a 100 small market rims that no one else ever heard of… maybe some day…

You can also buy 4 lug wheels in sizes up to 20 inch right now…

So if you want to run wheels with a 45+ offset that’s fine with me, you can change bearings alongside the highway instead of tires… if you want to run VW or Escort wheels on your RV knock yourself out, its your money, your RV, your responsibility, and your liability…


Love my mass produced, entry level, built by Lazy American Workers, Hornet


McZippie

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Posted: 06/22/12 09:47pm Link  |  Print  |  Notify Moderator

Huntindog wrote:

McZippie wrote:

JJBIRISH wrote:

If you 15 inch wheels are 5 bolt chances are you won’t find a 16 inch rim…
If they are 6 bolt you can find rims, if you can fit them under the trailer…


Why do these myths never end?... kind of like my current Class C tire size thread "Myth Busted" over on the Class C formum.

There are many choices of 5 bolt 16" rims. Search for after market car rims instead of a trailer rims. Expensive boat trailer companies even offer 'Dubs'...


The main reason for the 6 bolts is the extra capacity of the LRE 16" tires.
When I did it, I LOOKED for 5 bolt 16" rims that would work. The only way was to have them custom made. They were well over 200.00 each! And then if I decided to spend that on rims, and I damaged one on the road somehow,,,no replacement would be available.

It's been a few years, so maybe things have changed.
Do you have any links?


Don't know the trailer bolt pattern, but many are 5 on 4.5", if so here's a 16" wheel that may work, for $76.00.
There are many to choose from. I've been running car/truck wheels on many different trailers for years.

16" Rim

16x7 5-4.5 0 - offset 4" - Back Spacing 1700 - lbs load


2009 Ford E350 Diesel Cutaway Limo Bus
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McZippie

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Posted: 06/22/12 10:09pm Link  |  Print  |  Notify Moderator

JJBIRISH wrote:



What myth are you talking about… the one you just made up…

You can order almost anything including rims you want from China if you are willing to buy between 80 to 100 of them, but no one socks a 100 small market rims that no one else ever heard of… maybe some day…

You can also buy 4 lug wheels in sizes up to 20 inch right now…

So if you want to run wheels with a 45+ offset that’s fine with me, you can change bearings alongside the highway instead of tires… if you want to run VW or Escort wheels on your RV knock yourself out, its your money, your RV, your responsibility, and your liability…


I'm talking about the many times I've read on RV Net that 16" wheel are not available for trailers with 5 bolt hubs. It's a myth that is posted from thread to thread, whenever the subject comes up.

Your remarks about needing to buy "80 to 100 from China" and running "VW or Escort wheels" is meaningless information and adds nothing to the discussion.

I'm trying to help members find an alternative solution.

* This post was edited 06/22/12 10:16pm by McZippie *

JJBIRISH

Butler, PA, USA

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Posted: 06/22/12 10:43pm Link  |  Print  |  Notify Moderator

,

JJBIRISH

Butler, PA, USA

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Posted: 06/22/12 10:45pm Link  |  Print  |  Notify Moderator

McZippie wrote:

JJBIRISH wrote:



What myth are you talking about… the one you just made up…

You can order almost anything including rims you want from China if you are willing to buy between 80 to 100 of them, but no one socks a 100 small market rims that no one else ever heard of… maybe some day…

You can also buy 4 lug wheels in sizes up to 20 inch right now…

So if you want to run wheels with a 45+ offset that’s fine with me, you can change bearings alongside the highway instead of tires… if you want to run VW or Escort wheels on your RV knock yourself out, its your money, your RV, your responsibility, and your liability…


I'm talking about the many times I've read on RV Net that 16" wheel are not available for trailers with 5 bolt hubs. It's a myth that is posted from thread to thread, whenever the subject comes up.

Your remarks about needing to buy "80 to 100 from China" and running "VW or Escort wheels" is meaningless information and adds nothing to the discussion.

I'm trying to help members find an alternative solution.


Alternative Solutions…

In its proper perspective there is no logical or legitimate reason
to exchange a 2000 tire and wheel for a 3000 pound tire mounted on a 1700 pound wheel…

With a one month ship date I assume it is not a stock wheel that you would want to have to find and replace on a trip…

Under sizing a tire or wheel in any shape of form is not a alternative solution, neither is mismatching tires and wheels…

* This post was edited 06/22/12 10:55pm by JJBIRISH *

McZippie

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Posted: 06/23/12 12:03am Link  |  Print  |  Notify Moderator

JJBIRISH wrote:

McZippie wrote:

JJBIRISH wrote:



What myth are you talking about… the one you just made up…

You can order almost anything including rims you want from China if you are willing to buy between 80 to 100 of them, but no one socks a 100 small market rims that no one else ever heard of… maybe some day…

You can also buy 4 lug wheels in sizes up to 20 inch right now…

So if you want to run wheels with a 45+ offset that’s fine with me, you can change bearings alongside the highway instead of tires… if you want to run VW or Escort wheels on your RV knock yourself out, its your money, your RV, your responsibility, and your liability…


I'm talking about the many times I've read on RV Net that 16" wheel are not available for trailers with 5 bolt hubs. It's a myth that is posted from thread to thread, whenever the subject comes up.

Your remarks about needing to buy "80 to 100 from China" and running "VW or Escort wheels" is meaningless information and adds nothing to the discussion.

I'm trying to help members find an alternative solution.


Alternative Solutions…

In its proper perspective there is no logical or legitimate reason
to exchange a 2000 tire and wheel for a 3000 pound tire mounted on a 1700 pound wheel…

With a one month ship date I assume it is not a stock wheel that you would want to have to find and replace on a trip…

Under sizing a tire or wheel in any shape of form is not a alternative solution, neither is mismatching tires and wheels…


OK I understand....
Please excuse me for wrongly assuming that some people may of wanted the option of running 16" LT tires, with more size options than 15" tires, on 5 bolt hubs, to get away from cheapo ST China bomb 15" tires. And without the expensive of changing the hubs and brakes to 6 bolts...

Apparently I know nothing of any value about these issues...
I undertand now, rather than run mismatched 5 bolt 16" LT tires and wheels, it's better to stay with matched 15" ST China Bombs tires and wheels or pay to switch hubs and brakes and run 16" matched wheels and tires.

JJBIRISH

Butler, PA, USA

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Posted: 06/23/12 12:33am Link  |  Print  |  Notify Moderator

come on... No one is saying that your making a wrong assumption… at least I’m not… I believe your assumption is right on…

my comment about the 5 bolt 16 inch wheel is made in earnest, because I have already searched myself… its intent is to help also without even a hint of trying to create or grow a myth…

I am aware that could change, I do not do daily searches for a wheel I won’t ever need…

Huntindog

phoenix arizona USA

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Posted: 06/23/12 04:12am Link  |  Print  |  Notify Moderator

McZippie wrote:

Huntindog wrote:

McZippie wrote:

JJBIRISH wrote:

If you 15 inch wheels are 5 bolt chances are you won’t find a 16 inch rim…
If they are 6 bolt you can find rims, if you can fit them under the trailer…


Why do these myths never end?... kind of like my current Class C tire size thread "Myth Busted" over on the Class C formum.

There are many choices of 5 bolt 16" rims. Search for after market car rims instead of a trailer rims. Expensive boat trailer companies even offer 'Dubs'...


The main reason for the 6 bolts is the extra capacity of the LRE 16" tires.
When I did it, I LOOKED for 5 bolt 16" rims that would work. The only way was to have them custom made. They were well over 200.00 each! And then if I decided to spend that on rims, and I damaged one on the road somehow,,,no replacement would be available.

It's been a few years, so maybe things have changed.
Do you have any links?


Don't know the trailer bolt pattern, but many are 5 on 4.5", if so here's a 16" wheel that may work, for $76.00.
There are many to choose from. I've been running car/truck wheels on many different trailers for years.

16" Rim

16x7 5-4.5 0 - offset 4" - Back Spacing 1700 - lbs load


It does appear that this rim MAY bolt up.
There are however some reasons this may not be the best option.

First off is cost. Switching the drums to 6 lug and purchasing 16" rims will be about the same or slightly less. Going this route means that the following disadvantages are avoided.

Second is load capacity. At 1700# they fall short of the rating needed for the most common axle (3500#) that they would be used on.

Third is PSI rating. It is not spec'ed, but it most assuradly is not 80 PSI. It may not even be 50 PSI. This is important as air pressure acts as coolant for tires. THe more air in them the cooler they run.
A LRE tire at 80 PSI runs cooler than the same tire at 50 PSI. So using this rim will negate one of the reasons for the swap.
I do agree that a 16" LT tire run at lower pressure is still better than any ST tire.

Fourth. It takes over a month to get these rims. THis could be a BIG deal if you have a problem on the road far from home and need a replacement or two.

So although I guess you can technically claim that this so called myth is busted.....I'm not gonna recommend anyone go this route.


Huntindog
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McZippie

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Posted: 06/24/12 09:27am Link  |  Print  |  Notify Moderator

Huntindog wrote:

It does appear that this rim MAY bolt up.
There are however some reasons this may not be the best option.

First off is cost. Switching the drums to 6 lug and purchasing 16" rims will be about the same or slightly less. Going this route means that the following disadvantages are avoided.

Second is load capacity. At 1700# they fall short of the rating needed for the most common axle (3500#) that they would be used on.

Third is PSI rating. It is not spec'ed, but it most assuradly is not 80 PSI. It may not even be 50 PSI. This is important as air pressure acts as coolant for tires. THe more air in them the cooler they run.
A LRE tire at 80 PSI runs cooler than the same tire at 50 PSI. So using this rim will negate one of the reasons for the swap.
I do agree that a 16" LT tire run at lower pressure is still better than any ST tire.

Fourth. It takes over a month to get these rims. THis could be a BIG deal if you have a problem on the road far from home and need a replacement or two.

So although I guess you can technically claim that this so called myth is busted.....I'm not gonna recommend anyone go this route.


Ok it may be Plausible for some.

All your points are spot-on for the Rim I linked, but there are many more to choose from. There is also a labor factor for switching hubs and brakes that would be avoided if using a 5 bolt 16" rim.

As for air presure ratings on rims, one only as to compare a full size car/truck rim to a trailer rim to see the difference.
Trailer rims are thinner and lighter. I don't know why car/truck rims have a lower presure rating???

doctormrd

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Posted: 06/24/12 12:44pm Link  |  Print  |  Notify Moderator

Hey Guys. Thanks for all of the input. Lots of "whys" and "why nots" along with plenty of "be aware ofs". I appreciate everybody's opinions and experiences on the subject.
It appears that another important concern doing this switch over to 16" wheels involves clearance issues with the wheels on the dual axles and clearance issues with the wheels to the wheel wells. With the stock 15" wheels and tires I have approximately 4" of room from the top of the tire to the surface of the wheel well. Adding a 16" wheel and tire may result in leaving too little room for the suspension to flex upward without striking the top of the wheel well. How much do you actually need to be safe from rubbing the wheel well?
The clearance between front and rear tires is about 4" which, after changing to 16" wheels and tires, would probably leave about 2". Is that enough ?
Anyone done this conversion on this 1999 Nash 26x trailer?

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