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Old 03-30-2015, 04:04 PM   #43
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In many MH owners cases, rotating the front tires to the rear outers could work, if there is very little wear.

I am pretty sure, you don't want different size tires, side by side or smaller tires on one side of a differential.

On our heavy trucks, we tried to keep tire sizes equal.
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Old 03-30-2015, 04:16 PM   #44
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The Magna is a strange one. Front tires and tag are 365/70R X22.5's and the drive axle is 315/80R X22.5.Came from the factory that way. As of now they are the OEM tires and at least one is late 2007.
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Old 03-30-2015, 04:17 PM   #45
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got cha. i have a set of 2 "new" tires in front (2 years old), 4 8-years-old in rear. i was thinking to get 4 new tires in next two years. two new ones will go to front, two will go to the inner of the duallies, current front's will go to the outer of duallies. cool, this clears the cloud.
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Old 03-30-2015, 04:26 PM   #46
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The Magna is a strange one. Front tires and tag are 365/70R X22.5's and the drive axle is 315/80R X22.5.Came from the factory that way. As of now they are the OEM tires and at least one is late 2007.
that is a little strange... have you called country coach yet? it's understandable to have a set of wider tires in front to hold the weight, but drive tires being narrower and smaller (about 0.3") than tag's seems like illogical. on another hand, if i put all 8 365/70x22.5" on it, will it make difference? i doubt it.

(for your cost on the engine, i feel your pain...).
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Old 03-30-2015, 10:39 PM   #47
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Just replaced all 6 Michelin 235/80R 22.5 XRV (DC 2608) with 235/80R 22.5 XRV (DC 0515) in Phoenix last month. Had planned to wait one more year but scrubbed a curb on a round-about and didn't like the looks of the sidewall on one of the duals. Also was seeing more surface cracks than last year. Decided to go ahead and use the FMCA program and got out the door for just under $3100. Kept best tire from old set as a spare to carry in the basement. It was an inside dual and I was surprised that it was an XZE rather than XRV. It had same date code (2608) but looked brand new with no cracking whatsoever. I wonder if XZE's hold up better or it was just because it was an inside dual and not exposed to UV.


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Old 03-31-2015, 10:15 AM   #48
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got cha. i have a set of 2 "new" tires in front (2 years old), 4 8-years-old in rear. i was thinking to get 4 new tires in next two years. two new ones will go to front, two will go to the inner of the duallies, current front's will go to the outer of duallies. cool, this clears the cloud.
I was told by old truckers (this was years ago) that they put the used tire in the inside and the new tire on the outside. The reason for this was the smaller tire went inside to account for the crown of the road. Old wives tale - maybe but the roads generally have a slight rounding so having the smaller tires on the inside would apply a more uniform contact - if it is significant.
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Old 03-31-2015, 10:23 AM   #49
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that is a little strange... have you called country coach yet? it's understandable to have a set of wider tires in front to hold the weight, but drive tires being narrower and smaller (about 0.3") than tag's seems like illogical. on another hand, if i put all 8 365/70x22.5" on it, will it make difference? i doubt it.

(for your cost on the engine, i feel your pain...).
There may be an issue with the clearance between the tires. Not sure if that has any significance but I have seen trucks with rocks wedged between the tires have issues.
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Old 03-31-2015, 01:16 PM   #50
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Originally Posted by Mr_D View Post
The Magna is a strange one. Front tires and tag are 365/70R X22.5's and the drive axle is 315/80R X22.5.Came from the factory that way. As of now they are the OEM tires and at least one is late 2007.
I have noticed many commercial buses have this setup. It may be a way to save a few bucks and the tag may only come into play under high passenger load. Why they did this with your coach may be related. Just a thought.

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Old 03-31-2015, 04:00 PM   #51
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Tires

My coach has almost exactly ten years on the front michelins.

Five on the backs.

Time. Look like new 1/2 or less worn.
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Old 03-31-2015, 06:48 PM   #52
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Goodyear G670's all around 10/07 date code, 2/32's wear or less on all 8 tires, zero cracking, zero rivering, feels like good ride but don't have anything to compare too, run tags at 85, drives at 95 and steers at 105 all cold, had one front right blow out, defective tire, goodyear replaced tire repaired damage, replacing other steer this spring, 6 tires inspected and no issues what so ever. Plan to replace two tires per year until all new starting next year, Will always have new on steer. If ya look after your rubber, keep then clean and properly inflated, 10 years shouldn't be a problem

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Old 03-31-2015, 06:59 PM   #53
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Weeks 3814 and 3914 10R22.5 Continental HSR2 all around, replaced the badly cracked 5 year old Michelin XRVs.
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Old 03-31-2015, 07:37 PM   #54
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What, me worried?

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Old 03-31-2015, 07:40 PM   #55
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I stumbled across this and had to share. Trucks on tracks. Wow.

Instant Monster Truck: Converting Cars into Snowmobiles | Urbanist
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Old 03-31-2015, 07:51 PM   #56
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My MH is a 2003 Fleetwood Storm. We bough it in the spring of 2014. While driving home we had an inside rear blowout a mile from our house. I about wiped out the DW who was following me in our Jeep. The tire tread was flying all over the place. We were lucky the damage was minimal and I was able to pull to the side of the road. We were also lucky that we had our Jeep so we could go get tools to change the tire. Our spare was in much better shape, however, it was very low on air. I had already planned on purchasing new tires the following day for the rears. This was a great learning lesson for me on how to not FREAK OUT when a tire blows on a motorhome that I am driving for the first time, and how to actually change the MH tire.

The tires that were on it were 2001 Good Years. Keep in mind my MH is a 2003. So they were 13 years old. They were in poor condition and clearly had not been taken care of. Although, that is shocking because the rest of the MH was spotless with all service records in tact. My front tires are 2009 and visually in great shape. I am planning on replacing them this year. A rear blowout was bad enough, I can't even imagine a front tire blowout.
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