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Old 10-10-2015, 06:08 PM   #1
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Worth switching to 22.5" tires?

Somewhere in 2015, it appears FR changed the Georgetown tire size from 19.5 to 22.5. My 2015 came with the 19.5s. I currently have 10k on my tires and continue to be bothered by "sway". I've added a steering stabilizer, rear track bar and new heavy duty anti-sway bars front and rear. Also, FR paid for a wheel alignment and I keep close tabs on tire pressure. All of this has led to only modest improvement, and the coach continues to wander all over the lane. Does anyone have experience going from 19.5s to 22.5s. I'm trying to figure if new tires, wheels and simulators are worth it. (We love our 364 and plan on keeping it for quite a while.)
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Old 10-11-2015, 05:52 PM   #2
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I think only the GT had 22.5" tires. Have you done the "Cheap handling fix"?. Worked for me. I drive one handed straight as an arrow.
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Old 10-11-2015, 06:12 PM   #3
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I recently had to replace one 22.5 tire. The Michelines are impossible to find. Went with a Toyo as had no choice.


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Old 10-11-2015, 08:40 PM   #4
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Mogman, I tried the CHF and it caused the anti-sway bar to contact the frame in turns. Big rig alignment shop said they had to undo two or three other GTs for the same reason. Besides, putting in the heavy duty sway bar should have had about the same effect as the CHF. (Comments welcome.) Do you have 22.5 inch tires?
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Old 10-11-2015, 09:36 PM   #5
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No, mine are 19.5. I do have any other mods to the chassis.
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Old 10-11-2015, 11:18 PM   #6
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Wow Mogman? Maybe we just have different standards.
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Old 10-12-2015, 03:15 PM   #7
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Tires or suspension?

You may want to do some research on something like Firestone Ride-Rite load levelers. We first used these on a pickup when we had a slide-in camper. It made a tremendous difference. We have put them on two vehicle since to haul a cargo trailer. To our amazement, our new RV has them as standard equipment. These not only level a load, but they make a lot of difference with sway. We are towing a 19' boat with our RV and they are doing the job. Just a thought.
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Old 10-12-2015, 05:10 PM   #8
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Our 2013 came with 22.5's. 251XL. It also wanders all over the road.
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Old 10-12-2015, 08:46 PM   #9
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Worth switching to 22.5" tires?

I appreciate the input that both of you provided. Load-levelers sound great, but I have to wonder if they are worth it based on Dc8mdtmech's comment.
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Old 10-12-2015, 09:00 PM   #10
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I am sitting here looking at my 2011 378TS which came from the factory with 22.5 Michelin tires. I to experienced wandering until I had the front end aligned, just a little toed in, then put 95 psi in each tire, then did the CHF. The difference was very significant. Before you spend a lot of money on add ons, try this.

Jmho, Happy Trails,

Forrest
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