Coast Resorts Open Roads Forum: Motorhomes with 19.5 vs 22.5 tires
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Open Roads Forum  >  Class A Motorhomes  >  General Topics

 > Motorhomes with 19.5 vs 22.5 tires

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IB853347201

Eastern Ontario

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Posted: 05/26/23 06:42am Link  |  Quote  |  Print  |  Notify Moderator

I've owned 3 MH's. One on 16 inch, one one 19.5 inch and the present one on 22.5 inch. Every time we traded up to a larger chassis and larger tire size, the ride and drivability has improved. The 22.5 inch tire is the best by far.


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Horsedoc

Dixie --- N. Georgia

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Posted: 05/26/23 07:28am Link  |  Quote  |  Print  |  Notify Moderator

I like the 22.5. Handling vs 19.5? Haven't driven a coach with the smaller tires but trucks with the larger tires ride better.
Certainly more available if you need 22.5 on a long trip someplace.
Run what you like.

phillyg

SWFL

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Posted: 05/26/23 07:46am Link  |  Quote  |  Print  |  Notify Moderator

My old 1996, 36' gasser with a tag axle had 16" tires and handled fine. Perhaps I didn't know what I was missing.


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MrWizard

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Posted: 05/29/23 10:18pm Link  |  Quote  |  Print  |  Notify Moderator

My 1995 34ft Safari DP, had 22.5 tires at $400 per tire,
My current RV 1997 gasser Bounder Ford F53 Chassis 16" tires, $150 per tire, the the Safari ride and Bounder ride are different , not so much in the " seat of the pants feel" but in body lean braking dip, wind stability, Its Not bad, just different i have no complaints with this Ford chassis, but the tires do wear out sooner,
None are going to ride and handle like a car, the best handle like a bus, the worst like a worn out truck,
Bigger tires means the vehicle has more weight per tire on the road a heavier Chassis and a stiffer suspension, less roll & lean than the same RV house, on a smaller tire lighter chassis


I can explain it to you.
But I Can Not understand it for you !

....

Connected using T-Mobile Home internet and Visible Phone service
1997 F53 Bounder 36s


Gjac

Milford, CT

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Posted: 05/30/23 06:20am Link  |  Quote  |  Print  |  Notify Moderator

There are more important factors that tire size that determine how the MH will ride. Weight distribution being one, ideally each tire should carry the same load. Front end alignment being another. Worn shocks front end parts like ball joints tie rods etc will affect the ride even more. All things being equal, which they never are in real life you would not notice a difference in ride quality based on just tire size. You will notice a big difference with too much weight in the rear and a light front end or a front end out of alignment.

Onyrlef

Plano, Tx

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Posted: 06/04/23 05:33am Link  |  Quote  |  Print  |  Notify Moderator

I suspect a lot of post hoc reason. The only way to conclusively determine a difference in ride and handling in a 19.5" and 22.5" tire would be in an all other things being equal side by side comparison. Otherwise the difference could be just as reasonably attributed to the upgraded shower head.

RodLyle

Almost Heaven

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Posted: 06/04/23 07:59pm Link  |  Quote  |  Print  |  Notify Moderator

We have had 3 Class A’s with the smaller tires. Our 4th and current Class A has the larger 22.5 tires, it gives a better ride . We travel quite a bet.

rgatijnet1

Florida

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Posted: 06/05/23 09:39am Link  |  Quote  |  Print  |  Notify Moderator

Driving two different coaches with different size tires is not a good representation of how that coach handles. At that time the coach is probably empty and who knows what the tire pressure is, according to the current weight. The handling is based on proper loading, proper tire inflation, proper wheel alignment, road conditions, wind, and driver experience.Any of these things can greatly affect the handling if they are out of specs or if the driver has unrealistic expectations.

way2roll

Wilmington NC

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Posted: 06/05/23 11:49am Link  |  Quote  |  Print  |  Notify Moderator

Is it really the tires that makes it handle better? Larger tires are a result of a larger chassis and heavier MH. It's not an upgrade option, it's spec'd based on the chassis and the demand for a tire that can handle a higher payload. I would guess it's the heavier weight and larger chassis that makes it handle better.


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Grit dog

Black Diamond, WA

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Posted: 06/05/23 12:28pm Link  |  Quote  |  Print  |  Notify Moderator

Thank you for the last 2 posts that actually are on the right track.
Funny thing is, from most of the rest of the posts, one could maybe conclude that putting 22.5s on a Toyota Corolla would make it handle better! Lol.


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