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11-24-2020, 02:29 PM
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#1
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Member
Brand: Thor Motor Coach
Model: Outlaw 37RB
State: South Dakota
Posts: 68
THOR #3558
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Tire size.....curious
2016 Outlaw Class A.
Current tires are Michelin 255/80/22.5
Time for new tires all around. Has anyone put a wider tire on the front? If so how big did you go?
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12-01-2020, 12:50 PM
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#2
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Senior Member
Brand: Thor Motor Coach
Model: 2019 Aria 4000
State: Utah
Posts: 336
THOR #15943
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An 11x22.5 is already a big tire; don't know why you'd need a wider one unless you're going off road for a stretch.
Gary
GVP
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12-01-2020, 01:25 PM
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#3
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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12-01-2020, 03:27 PM
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#4
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Member
Brand: Thor Motor Coach
Model: Outlaw 37RB
State: South Dakota
Posts: 68
THOR #3558
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Just looking for something to help with the wind and semi's passing. I have a SafetyPlus steering stabilizer and it helped tremendously. I just thought that since it's time for tires I'd look into adding a bit more rubber on the ground up front thinking it might add to the stability/lane holding.
Not looking to go 365s or something ridiculous, but thought a 275 would be nice
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12-01-2020, 03:42 PM
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#5
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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That might work out to about an inch and a-half of extra tread per axle...
...If the dualies in the rear can deal with it.
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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12-01-2020, 03:43 PM
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#6
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Member
Brand: Thor Motor Coach
Model: Outlaw 37RB
State: South Dakota
Posts: 68
THOR #3558
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Quote:
Originally Posted by Bob Denman
That might work out to about an inch and a-half of extra tread per axle...
...If the dualies in the rear can deal with it.
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Just on the front, won't mess with size on the rears
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12-01-2020, 04:03 PM
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#7
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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12-01-2020, 04:28 PM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: 2018 24.1 AXISSIXxSIX
State: Arizona
Posts: 6,921
THOR #13932
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I am casually, uncaringly, slightly, considering the considering of lower profile tires on larger wheels.
The wider tire is a factor of sidewall height.
Same sidewall height and wider tire and the sqirm lessens, but just by a factor of your added inch and a half vs sidewall height.
60 series tire vs 80 series tires affects the squirm by a factor of 25 to 33 percent.
19.5 vs 16 inch wheels for the same height tires is a genuine change in squirmability.
I have NEVER bought a set of rims in my entire life. I think as dressment they are the worst possible financial decision which can be made.
But
Consider bigger wheels, since you have to replace the tires anyway, if squirm is a factor in your tire decision.
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12-01-2020, 04:32 PM
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#9
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Member
Brand: Thor Motor Coach
Model: Outlaw 37RB
State: South Dakota
Posts: 68
THOR #3558
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Quote:
Originally Posted by ducksface
I am casually, uncaringly, slightly, considering the considering of lower profile tires on larger wheels.
The wider tire is a factor of sidewall height.
Same sidewall height and wider tire and the sqirm lessens, but just by a factor of your added inch and a half vs sidewall height.
60 series tire vs 80 series tires affects the squirm by a factor of 25 to 33 percent.
19.5 vs 16 inch wheels for the same height tires is a genuine change in squirmability.
I have NEVER bought a set of rims in my entire life. I think as dressment they are the worst possible financial decision which can be made.
But
Consider bigger wheels, since you have to replace the tires anyway, if squirm is a factor in your tire decision.
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Current wheels are 22.5s so I'm just toying with a wider tire to fit those on the front axle. Current tire is 255/80/22.5
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12-01-2020, 04:35 PM
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#10
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Senior Member
Brand: Thor Motor Coach
Model: 2018 24.1 AXISSIXxSIX
State: Arizona
Posts: 6,921
THOR #13932
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12-01-2020, 05:04 PM
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#11
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Quote:
Originally Posted by HarleyOutlaw
Current wheels are 22.5s so I'm just toying with a wider tire to fit those on the front axle. Current tire is 255/80/22.5
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If you wanted to go wider but not taller; consider a lower profile tire.
Perhaps a "60"?
Here's a little something to help with the Math...
https://tiresize.com/calculator/
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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12-01-2020, 05:22 PM
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#12
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,348
THOR #7035
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Quote:
Originally Posted by HarleyOutlaw
Current wheels are 22.5s so I'm just toying with a wider tire to fit those on the front axle. Current tire is 255/80/22.5
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Generally, when replacing OEM tires on my vehicles, particularly trucks and SUVs, I always go with the bigger tire. Say from a 245 to a 265.
But, I don't think changing just the front tires on your coach will provide any noticeable improvement in the area you're looking for. The "truck air wave" hits the back of the coach first pushing the tail to the right , making the coach head left. Bigger tires on the front won't stop that.
What helps is knowing the big truck is coming and moving as far right in your lane as you can as he overtakes you. This lessens the impact of the "truck air wave", not to mention giving you more correction room should you need it.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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12-01-2020, 05:55 PM
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#13
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Yup! Using your mirrors can help a whole lot!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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12-01-2020, 09:17 PM
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#14
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Member
Brand: Thor Motor Coach
Model: Outlaw 37RB
State: South Dakota
Posts: 68
THOR #3558
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Thanks everyone. This was just a thought on my part. Sounds like it's not worth the effort
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12-01-2020, 09:39 PM
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#15
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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But you've got to admit: it's fun to peek over the fence... and wonder!
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12-02-2020, 02:38 PM
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#16
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Member
Brand: Thor Motor Coach
Model: Outlaw 37RB
State: South Dakota
Posts: 68
THOR #3558
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Quote:
Originally Posted by Bob Denman
But you've got to admit: it's fun to peek over the fence... and wonder!
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Yes it is
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12-07-2020, 12:53 AM
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#17
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Junior Member
Brand: Thor Motor Coach
Model: Freedon Elite 26HE
State: Alabama
Posts: 14
THOR #20751
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2016 Outlaw /class A
I would go for a suspension upgrade. You aleady have a steering stabilizer but I think you may want to look at heavy duty sway bars.
We have a 2018 Thor 26HE, a lot smaller than your RV, and installed a RoadMaster steering stabilizer and front and rear heavy duty sway bars. Made a world of difference, I can drive with one hand on the wheel and a cup of coffee in the other. Ride is a bit stiffer but the improvements are worth it.
But like I said, my RV is a smaller than yours, so good to look at the suspension. Wider tires might give you some relief but being wider they will also flex more.
Tim
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12-07-2020, 02:57 PM
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#18
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Member
Brand: Thor Motor Coach
Model: Outlaw 37RB
State: South Dakota
Posts: 68
THOR #3558
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Quote:
Originally Posted by devnul@timmade.com
I would go for a suspension upgrade. You aleady have a steering stabilizer but I think you may want to look at heavy duty sway bars.
We have a 2018 Thor 26HE, a lot smaller than your RV, and installed a RoadMaster steering stabilizer and front and rear heavy duty sway bars. Made a world of difference, I can drive with one hand on the wheel and a cup of coffee in the other. Ride is a bit stiffer but the improvements are worth it.
But like I said, my RV is a smaller than yours, so good to look at the suspension. Wider tires might give you some relief but being wider they will also flex more.
Tim
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You may be right, I'm just not ready to put anymore into the suspension at this time. It does need tires now, and a couple of other minor repairs, so that's where the $$$$ will be going for now anyway.
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