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Old 07-27-2021, 03:21 AM   #1
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Replacing 235/80r with 255/70R22.5 ?

Just bought a 2012 Tiffin Allegra 36 QBA and it still has the original MICHELIN XZE - 255/70R22.5 tires on it. They are pretty dry rotted. Used Toyo 154's on my last RV but I've been thinking about replacing the Michelin's with the Falken RI 150 255/70R22.5 tires? Shop said that's the replacement size for the 235's.

They have pretty good reviews online. Just wondering if anybody else is running them on their Tiffin gasser on the Ford F53 chassis?
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Old 07-27-2021, 09:33 AM   #2
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Quote:
Originally Posted by SuperDad View Post
Just bought a 2012 Tiffin Allegra 36 QBA and it still has the original MICHELIN XZE - 255/70R22.5 tires on it. They are pretty dry rotted. Used Toyo 154's on my last RV but I've been thinking about replacing the Michelin's with the Falken RI 150 255/70R22.5 tires? Shop said that's the replacement size for the 235's.

They have pretty good reviews online. Just wondering if anybody else is running them on their Tiffin gasser on the Ford F53 chassis?
Your post says you have 255/70R22.5 but then you say you are replacing 235's? Typo?

Check for your self as to differences. Here's the calculator

https://tiresize.com/comparison/

I currently have Bridgestone's on order. Was supposed to be an order on Tuesday get on Thursday. Four came, waiting on the last 2.....3 weeks
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Old 07-27-2021, 09:41 AM   #3
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Generally, the 245/75R22.5 is considered the replacement for the Michelin 235/80R22.5. It is closer to the dimensions of the 235.



But, before going to any wider tire, verify several things:


Wheels are approved for the wider tire.


You will still have clearance to body and suspension components with the wider tire.


The replacement tire is of the same or greater load carrying capacity than the OE tire.
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Old 07-27-2021, 03:30 PM   #4
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What I meant to say was I have 235/80R22.5 on it now and I want to replace them with 255/70R22.5's Falken's
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Old 07-27-2021, 03:52 PM   #5
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Replacing 235/80r with 255/70R22.5 ?

I like the idea of going with a wider tire. Since they’re fixed you shouldn’t have to rubbing issues. Do you know what the load rating is on the old and new tires?
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Old 07-28-2021, 04:21 AM   #6
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In Response to your question
Please visit this Michelin Website
https://business.michelinman.com/
key in the 235/80R22.5 -
Note the Approved Rim Widths, Overall Diameter
then key in 255/80R22.5
Note the wider approved rims width and overall diameter
If the coach has rims that are 6.75 in width -- the 255/80 IS TOO WIDE
Consider the 245/75R22.5 Toyo .. this is the metric replacement for the 235/80R22.5
We would happy to answer any other tire related questions
Safe travels to you and your family
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