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Old 03-11-2014, 10:12 AM   #1
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Exclamation Tires - Upgr

I just bought a new Jayco Flight 33 BHTS that came with 225 75R 15 tires that look like they are going to explode sitting still and at correct pressure. I want to upgrade to better tire and possibly aluminum wheels but see no real options with this size tire. I am looking for recommendations for a bigger tire with at least a 12-14 ply rating and think I need to go to a 16" wheel to do so. Does anyone know what larger tire/wheel will fit correctly? I am also in need of the wheel pattern and Jayco could not tell me. Thanks for any recommendations.
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Old 03-11-2014, 01:41 PM   #2
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That "exploding" look is just how ST tires look. If you go a bigger wheel just make sure you've got enough clearance in the wheel tub. Also keep in mind that a higher rated tire will not increase your load capacity. The limiting factor is still the axle rating.
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Old 03-11-2014, 10:55 PM   #3
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Call Tireco 574-293-0581 they are the ones that supply rims to Jayco. They will be the best ones to tell you what is the best rims.
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Old 03-12-2014, 08:47 AM   #4
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Here's one way to measure for lug pattern. I prefer to use millimeters as more accurate. My UTV stock wheels are 2 mms larger than wheels off of a Ford Focus, but that wheel will fit.
http://www.etrailer.com/faq-wheel-bolt-pattern.aspx
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Old 03-12-2014, 09:14 AM   #5
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To me, the quality of a rim is determined by it's design testing and rating, not by its metal of construction. A steel rim may be superior to an aluminum rim, or the reverse.

One possibility to increase the load capacity of your tires in a 15 inch rim size is to go to Maxxis Tires. Maxxis (and I think Goodyear Marathon) have a load range E trailer tire. For a while Maxxis was almost universally acclaimed, and then got a smattering of complaints. I've got in excess of 25000 miles on a set and so far have had no issues with then.

Even if you keep tires in a 15 inch size, you might have to replace your rims due to the increased air pressure that a load range E tire requires. Your current rims may have a paper label them stating their pressure rating, or the rating may be stamped on the rim. Obviously you don't want an 80 PSI tire on a 65 PSI rim.
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Old 03-12-2014, 12:53 PM   #6
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noversteet: I believe Maxxis, Goodyear, and Carlisle make load range E tires. ST tires from all three manufacturers have had their good and bad reviews - you'll find lots of threads. My impression is that quality deteriorated but has come up. We have Carlisle Radial Trail RH load range E tires on our Boy Scout trailer and they seem to work well.

You may also consider LT tires; LT22575R16E tires are only one inch in diameter greater than your 15 inch load range D trailer tires.

At the risk of redundancy, higher capacity tires are good, but you axle ratings will not increase and you must have higher capacity wheels.
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Old 03-12-2014, 09:43 PM   #7
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Just put 10 ply Hercules tires [load range e] on the stock Jayco alumnium [sp] rims. Called Tireco and explained to them what tires I put on and the rims We have and was told by Diana that the rims I have will handle the 80psi of the new rims. Tireco is the makers of the rims that Jayco uses.
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Old 03-13-2014, 11:10 AM   #8
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Looking for RV rims? Here you go
http://images.search.yahoo.com/searc...=15%22+rv+rims
click on any image and more details pop up along with sellers name..
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