Go Back   iRV2 Forums > THE OWNER'S CORNER FORUMS > Alpine Coach Owner's Forum
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Thread Tools Search this Thread Display Modes
Old 08-14-2008, 04:36 PM   #15
Senior Member
Tom and Patty's Avatar

Alpine Owners Club
Join Date: Jun 2004
Posts: 1,717
275/80R22.5 was introduced by Michelin. IIRC it is (was) a european size. The equivalent sise is 295/75R22.5. Both tires carry the same load at 110psi (G Load range) or 120 psi (H load range). Both tires are, for most purposes, interchangeable.

Over the road trucks are using both sizes. So demand really depends on if there is a glut of casings in either size.

Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 36' FDS 72232 Our Photos
We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, me and you - hand in hand.
Tom and Patty is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 08-14-2008, 05:31 PM   #16
Alpine Owners Club
Join Date: Sep 2004
Posts: 34
I recently traded my '98 Alpine for an '07. I put on new 295/75s (equal size replacement for the original Toyos) in the fall of '04. I noticed about a year later that there were rub marks (shiny spots) on the frame where the tires had rubbed the frame on hard turns. Has anyone else noticed this on their early model Alpines? The '07 has a significantly better turning radius (50 degrees, I believe) compared to the '98. There was obviously a change in frame design to allow for the sharper wheel cut.

St. Louis, MO

2007 Limited SE 36FDTS
Cardsfan is offline   Reply With Quote
Old 08-15-2008, 07:02 AM   #17
Senior Member
Join Date: Nov 2005
Posts: 2,815
At this point I am probably "well beyond my own headlights" with regard to the facts but I "believe" the G670 295/80Rs are similar to the Toyo 120s that WRV used just before switching to the G670s. My experience going from the old Toyo 295 75Rs to the G670 80Rs was that my speedometer is now about 3 MPHs slower when compared to other coaches and I am down about 100 RPMs from "normal" [realize the ECM can be adjusted to account for the apparent change in tire circumference]. Cant say the MPG has changed any based on going to the G670s. I totally missed the subtlety of the new 275 80Rs being equal to the old 295 75Rs...

Old Scout
2003 40' MDTS
Garden Ridge, Texas
Old Scout is offline   Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Tire Replacement Robert-W MH-General Discussions & Problems 7 10-26-2008 01:43 PM
Tire Replacement Finhawk Winnebago Industries Owner's Forum 8 01-28-2008 07:37 AM
Tire replacement Don Bren National RV Owner's Forum 1 06-17-2007 03:35 AM
Tire replacement kenbt Winnebago Industries Owner's Forum 2 07-25-2006 03:23 AM
Tire Replacement 3huskies Freightliner Motorhome Chassis Forum 5 02-20-2006 09:06 AM

» Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 01:22 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.