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Old 02-04-2013, 02:39 PM   #1
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Would like to replace stock tires on x17Z with larger size.

My 2011 X17z came stock with 14" rims. I'm thinking of replacing them with 15" if there is room. The load range would increase with the larger tires so that's not an issue. I called Jayco, but they won't comment on it.

Does anyone know if there is enough clearance to put 15" tires on a 17Z?
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Old 02-04-2013, 02:58 PM   #2
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Well, I actually sort of thought about that. Our Boy Scout trailer has 15's on it, I don't remember the exact size, but from some real quick measurements I would say it's a no go.
Honestly, you are way ahead of most anyway, the majority of the 17Z's only have 13's, I was actually really happy mine had 14's on it stock.
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Old 02-04-2013, 04:22 PM   #3
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Mine has 13" wheels. Later they switched to 14" wheels. I too think 15" would be to tight in the wheel house judging from mine. Just my opinion, not based on anything other than my tired brain!
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Old 02-04-2013, 09:33 PM   #4
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Here is a website link (Tire Tech) that might help determine the overall size of new wheels. I believe it is recommended to have at least 4” of clearance between the tire and the wheel well.
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Old 02-08-2013, 01:04 PM   #5
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Are your axles above or below the springs? Does your Jayco have the patented spring hanger system? "Flipping" the axles if your axles are above the springs will raise the trailer approximately 4" to give you adequate clearance for 15" rims and tires- If your unit has the adjustable spring hangers, you can lower the springs by approximately 2" for more clearance- Been there, done that- Something to mull over on a cold winter day and/or evening- JMHO- DD
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Old 02-08-2013, 05:30 PM   #6
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Quote:
Originally Posted by Diesel Donnie View Post
Are your axles above or below the springs? Does your Jayco have the patented spring hanger system? "Flipping" the axles if your axles are above the springs will raise the trailer approximately 4" to give you adequate clearance for 15" rims and tires- If your unit has the adjustable spring hangers, you can lower the springs by approximately 2" for more clearance- Been there, done that- Something to mull over on a cold winter day and/or evening- JMHO- DD
DD, The 17Z has torsion axle, so flipping the axle won’t work, however, people have built a space block to raise the TT, I have heard it is a little bit of work, but a good welding shop could do it easily.
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Old 02-17-2013, 06:54 AM   #7
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Since this tread was first an issue, I found out some new things (new to me anyway).

Jagiven wrote:
Quote:
The 17Z has a torsion axle, so flipping the axle won’t work, however, people have built a space block to raise the TT, I have heard it is a little bit of work, but a good welding shop could do it easily.
Dexter axle sells a kit that will raise your TT 2" if you have a Torflex axle. (It's basically a space block.) It's made for a double axle, so I was hoping to share the cost with another single-axle owner. It looked easy to apply: You jack the TT, loosen both sides, drop the axle one side at at time until you can fit the block, and then tighten it up. I would really like gain that 2" underneath.

But I can't use it. If your trailer has a Norcold adapter (mine does) it won't work.
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Old 02-17-2013, 06:59 AM   #8
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Yeah, I looked into that also, but Jayco has that funky bracket attaching the axle to the frame. I would have gladly shared the cost.
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Old 02-18-2013, 09:18 PM   #9
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I would have too.
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Old 02-22-2013, 09:43 AM   #10
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Interesting.. We just bought a 2013 X17Z and had the wheels upgraded to aluminum wheels! We bought the show model and never looked to see what the tire size was before our dealer switched. He put 13" Aluminum Wheels on our new camper. I guess our question is, being that our camper is a 2013 what came standard 13" or 14"! Got us wondering if our camper should have came with 14".

Feedback is always appreciated.. Thanks.
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