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03-03-2015, 07:51 AM
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#1
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Junior Member
Join Date: Mar 2015
Location: CA. to MI
Posts: 19
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Changing tire size
Hello, I have a 2005 hoiday rambler I'm looking at, right now it has 295/80/22.5, they are old and cracked and need replacing, can I,put a bigger tire on the front steers, I have two tires brand new in a 315/80/22.5
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03-03-2015, 02:28 PM
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#2
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Senior Member
Monaco Owners Club
Join Date: Feb 2009
Location: Utah
Posts: 2,893
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Quote:
Originally Posted by Tim holmes
Hello, I have a 2005 hoiday rambler I'm looking at, right now it has 295/80/22.5, they are old and cracked and need replacing, can I,put a bigger tire on the front steers, I have two tires brand new in a 315/80/22.5
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There are several members here who have done just that. Mike Canter comes to mind as one so if he doesn't respond try sending him a PM.
In few cases from what I have heard/read there is an issue with the front tires contacting an air bag on the front suspension but it seems to be pretty hit and miss as to those that have the issue. Again, not on every unit and pretty random.
Mike.
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03-05-2015, 04:27 PM
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#3
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Senior Member
Join Date: May 2004
Location: cayucos, ca
Posts: 1,299
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We have an 05 navigator. They definitle rub on the airbag steel pads and make a loud noise to let me know
Sent from my iPad using iRV2 - RV Forum
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Ross Starkenburg
2017 Newmar Dutch Star 4369. Spartan chassis w/full disc brakes. 2015 Jeep Grand Cherokee toad
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03-05-2015, 04:34 PM
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#4
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Senior Member
Winnebago Owners Club
Join Date: Mar 2014
Posts: 14,891
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Only thing I can think of is when you dump the air the clearance with the fender may be very tight, especially if the steering is not centered.
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Gordon and Janet
Tour 42QD/InTech Stacker
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03-06-2015, 03:51 PM
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#5
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Oct 2010
Location: Lake Havasu City, AZ
Posts: 1,717
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Hi Tim,
I see you have an Imperial which is the same as the Dynasty (I think). Here is a post about going to the 315s on a Dynasty but it's a 2008 so your results maybe different.
http://www.irv2.com/forums/f24/08-dy...sue-90396.html
__________________
2019 Newmar Dutch Star 4328 K2
2017 Grand Cherokee Summit 5.7
2008 Beaver Contessa 40' Pacifica 425 Cat
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07-10-2015, 08:59 AM
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#6
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Senior Member
Newmar Owners Club Holiday Rambler Owners Club
Join Date: Sep 2013
Location: Phoenix,Az
Posts: 527
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We put the 315's on our 2009 HR Navigator a few months ago. So far, 2,000 miles, no rubbing, no issues. I do make sure the tires are not turned at all when leveling.
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2017 Newmar London Aire 4519 Freightliner Chassis
600/1950. 2023 Jeep Grand Cherokee Summit
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07-28-2015, 05:13 PM
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#7
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Senior Member
Join Date: Dec 2009
Posts: 1,920
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Like Mike Canter, I swapped the 295s for 315s. Only issue I had was with one of the two mud flaps behind the passenger wheel. When making a left turn the edge of the tire would trap the lower flap and make it rub on the tread. I had to remove the rivets, pull off the flap, and I heated it and bent it so the lower flap is now curved slightly towards the rear and trapped behind the upper flap.
Took about an hour.
No issues with rubbing on the airbags. My Patriot Thunder has the S Series chassis. Some of the tag axle Monaco coaches had the RR10 and it was a little different.
__________________
Paul
2006 Patriot Thunder C13 Allison 4000
2010 Ford Flex Ecoboost AWD
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07-29-2015, 08:10 AM
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#8
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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When it comes to changing tire sizes there are a few considerations:
Do the entire axle: Check, you plan on that.
Make sure you have the room.. A larger tire may tend to rub up against stuff (not good) epically on hard (to lock) turns.
Three Load rating. A larger tire may have a higher load rating (Good) (Since you are purposing larger I won't bother with the inverse).
Finally Tire Pressure. The larger tire may need a different pressure for the same load (Scale it and inflate to chart plus 5 PSI)
I have gone with different sizes on both cars and trailers, Never a problem. On trailers where I went bigger (After insuring room) it solved a problem (load rating).
Oh, one other thing.
You may need to re-align the headlights after changing the tires.
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Home is where I park it!
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10-06-2015, 08:16 PM
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#9
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Senior Member
Monaco Owners Club Fleetwood Owners Club
Join Date: Mar 2009
Posts: 446
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The thread referred to above is very informative and there is also another one in Monaco area I think. Our dynasty would not clear by about 1/4" on the right front lower airbag mount at ride height. Others I have read like an executive did clear ok, I guess you might want to get tires specs, and have someone turn the tire slowly and watch for the minimum clearance and compare that to the specs of the larger tire. I chose to stay with the 295 in front, my goal was to get more weight capacity in front with less air pressure but would have also had to change to 9.25" wheels to take full advantage of that in most cases. Bridgestone dealer would not mount the 315 on an 8?" wheel, per manufacturer specs. Michelin does not get full value of the 315 weight capacity without the 9.25" wheel. Hope this may help, Happy Trails Bert
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2006 Monaco Dynasty Diamond IV 42' Tag, ISL 400, Residential Refrig, 10KW Onan, Bosch Washer/220V Dryer (previously 2003 American Tradition 40W)
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