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12-02-2012, 01:19 AM
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#1
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Junior Member
Join Date: Dec 2011
Posts: 8
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OK you tire GUYS
Need help w/tires, on rear axle, duals tires- can you have on the inside (size) 255/80R 22.5 XRV & on the outside 255/80R 22.5 XZE ? I do have the XZE on the front & they are better than the old XRV ones on my pusher.
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12-02-2012, 01:50 AM
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#2
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Senior Member
Join Date: Jan 2006
Posts: 226
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I Malybelle what is the dot on your tires
andrerw
__________________
Andrew from Québec Ca NKK#16343
2004 Kountry Star 3904 Cummins 330 ISC towing a Jeep Cherooke Trail Hawk 2016,Blue Ox.and Buddy Brake ,TMS,
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12-02-2012, 02:33 AM
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#3
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Junior Member
Join Date: Dec 2011
Posts: 8
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Quote:
Originally Posted by AndrewC
I Malybelle what is the dot on your tires
andrerw
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OK what is a dot?
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12-02-2012, 04:25 AM
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#4
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Senior Member
Join Date: May 2012
Posts: 505
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An expert on tires I am not but I would think you should keep the same tire on both inside and outside of the rear duals.I'm not saying you can not use the 2 different tires but it would be safer not to. I do not know without some research what the XRV verses the XZE means but I'm sure someone will be able to answer that. . The DOT being referred to is most likely the Dept of transportation rating stenciled on the sidewall of the tire....Alan
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12-02-2012, 04:33 AM
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#5
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Senior Member
Join Date: Jan 2006
Posts: 226
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The dot is print in the side of your tire,( big numbers,) and it will indicate the month, and year, of the fabrication
Anderew
__________________
Andrew from Québec Ca NKK#16343
2004 Kountry Star 3904 Cummins 330 ISC towing a Jeep Cherooke Trail Hawk 2016,Blue Ox.and Buddy Brake ,TMS,
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12-02-2012, 04:37 AM
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#6
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Senior Member
Join Date: Dec 2009
Location: North Texas
Posts: 1,061
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Allow me to make one minor correction. The date code represents the week and the year the tire was manufactured.
For example: a date code of 2809 would mean the tire was manufactured in the 28th week of 2009.
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12-02-2012, 05:00 AM
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#7
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Senior Member
Join Date: Jun 2011
Location: Bradenton, Fl.
Posts: 725
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As long as the tires are the same size, they can run side by side without trouble. Be sure to maintain recommended air pressures.
__________________
Ray G.
ASE Master Med-Heavy Trucks
RVIA Certified
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12-02-2012, 05:12 AM
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#8
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Senior Member
Join Date: Jun 2011
Location: Bradenton, Fl.
Posts: 725
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Ok, here's what Michelin says about the XZE.
"A premium all-position radial with extra-wide, extra-deep tread designed to help deliver our best wear in high scrub applications."
And here's their top line on the XRV.
"The all-position radial designed specifically for exceptional performance on recreational vehicles and motor homes."
I would construe the XZE to be a tire designed for a tag rear axle that scrubs the road a lot. Still, the two can safely run side by side as long as they are the same size.
__________________
Ray G.
ASE Master Med-Heavy Trucks
RVIA Certified
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12-02-2012, 10:23 AM
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#9
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Senior Member
National RV Owners Club
Join Date: Jun 2010
Posts: 4,581
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Quote:
Originally Posted by Marlybelle
Need help w/tires, on rear axle, duals tires- can you have on the inside (size) 255/80R 22.5 XRV & on the outside 255/80R 22.5 XZE ? I do have the XZE on the front & they are better than the old XRV ones on my pusher.
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If it were me I'd ask the Michelin folks where you get your tires.
__________________
Bob & Sandi, dogs Tasha a Frenchie and Tiki a Skipperkey
SW OREGON 2005 34 foot DolphinLX
If towing: a bright red 2016 Mini Cooper on a tow dolly.
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12-02-2012, 10:36 AM
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#10
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Registered User
Vintage RV Owners Club Gulf Streamers Club
Join Date: Oct 2010
Location: Indiana
Posts: 4,951
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While they are the same trade size, that does not mean they are the same size. What you need to do it look up the actual diameter (loaded) at your running PSI. These need to be the same. If one is slightly smaller than the other then the revolutions per mile will be different and this in turn will cause one tire to 'drag' the other, causing increased heat and wear.
However, even if all the tires were originally the same size, since they are used I doubt they will still now be.
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12-02-2012, 10:44 AM
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#11
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Senior Member
Join Date: Mar 2012
Location: Palmer Ak
Posts: 1,136
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I did not see in the OP if both tires were new. Even if they are both new, with the different tread design they could be different in size. Measure the tread depth and if there is more them 3/32 difference I would not recommend putting them togather on the same position.
What happens is that the larger tires will carry more of the load and 'could' be over worked. Anytime we work on vehicle with dual rear wheel, we want all tires on that axle to be the same.
I am sure that there will be other thoughts on this but for me I would not mix them on the rear axle
__________________
2009 38' Diplomat
CSM- retired, wife as co-pilot
Reka & Ali providing security (our 2 labs)
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12-02-2012, 11:55 AM
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#12
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Senior Member
Freightliner Owners Club
Join Date: Apr 2002
Location: Pensacola
Posts: 2,728
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Very slight difference when new.. XRV is 38.4 in diameter 541 revs /mile the XZE is 38.5 inch and 538 revs/mile. But if the XRV's are worn, the difference becomes greater. Different rotation but also larger dia. tire carries more of the load...
But if the XRV's are paired on driver side and XZE are paired curbside, the tires would turn and share the load the same as their mate.
This came up when I had tires rotated, they moved both fronts to the driver side rear, and those tires went to the front. "keeps them paired for wear". Next rotation would be Right rears to the front...
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Hooligan, Pensacola, Fl -U.S. Coast Guard 1956-1985
2016 Thor Siesta Sprinter 24ST diesel -1972 Moto Guzzi
2008 Suzuki Grand Vitara TOAD
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12-02-2012, 11:59 AM
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#13
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RV Mutant #14
Winnebago Owners Club Texas Boomers Club Freightliner Owners Club iRV2 No Limits Club
Join Date: Aug 2008
Location: Texas
Posts: 17,208
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Marlybelle,
We do have a tire expert on this forum. Give him a shout.
TIREMAN9
and go to his blog and ask questions there, or read what he has to say about tires.
Roger (Tireman9)'s blog
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Wayne MSGT USMC (Ret) & Earlene (CinCHouse) RVM14 (ARS: KE5QG)
Lexi - Goldendoodle
2015 Winnebago Tour 42QD - 2020 Lincoln Nautilus Reserve
It is what it is, and then it is what you make of it.
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12-02-2012, 12:43 PM
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#14
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Senior Member
Join Date: Jun 2011
Location: Bradenton, Fl.
Posts: 725
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Quote:
Originally Posted by Hooligan
Very slight difference when new.. XRV is 38.4 in diameter 541 revs /mile the XZE is 38.5 inch and 538 revs/mile. But if the XRV's are worn, the difference becomes greater. Different rotation but also larger dia. tire carries more of the load...
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That difference is so minimal, it's irrelevant. Just MHO.
__________________
Ray G.
ASE Master Med-Heavy Trucks
RVIA Certified
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