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Old 01-07-2016, 06:27 PM   #1
JMC
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LT235/85R16 w/ MOR/ryde 3000

Can anyone confirm that this combo works? (i.e. has sufficient spacing between tires)

MOR/ryde CRE 3000 + LT235/85R16

My camper is on order still and I can't find an answer searching. Would like to get some things ordered in the mean time.

Thanks!
Jared
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Old 01-07-2016, 06:30 PM   #2
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What brand and load rating are they?

That is exactly what I have on my rig. They are LR G Goodyear G614's.
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Old 01-07-2016, 06:36 PM   #3
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Originally Posted by JMC View Post
Can anyone confirm that this combo works? (i.e. has sufficient spacing between tires)

MOR/ryde CRE 3000 + LT235/85R16

My camper is on order still and I can't find an answer searching. Would like to get some things ordered in the mean time.

Thanks!
Jared
The Maxxis 8008 is a ST235/80/16 offered on the Jayco units. An 85 should be a little narrower but may be a little taller. I would stick with the standard sizes myself.
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Old 01-07-2016, 06:49 PM   #4
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Per Good Year's specs, their Marathon ST235/80-R16E has an outside diameter of 30.7". Their G614 LT235/85R16 has exactly the same outside diameter of 30.7".

I too have the same setup on my Designer than you are asking about.

You just have to make sure your wheels are rated for the G rated tire max pressure of 110 psi vs 80 psi for the E rated.
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Old 01-07-2016, 06:51 PM   #5
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When I went from E Marathons to G rated the difference in height was less than 1/2 inch.
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Old 01-07-2016, 07:09 PM   #6
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Thanks guys! I'm looking closely at the Cooper HT3. E rated. Trailer has GVWR of 9,750.
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Old 01-07-2016, 07:14 PM   #7
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Per Good Year's specs, their Marathon ST235/80-R16E has an outside diameter of 30.7". Their G614 LT235/85R16 has exactly the same outside diameter of 30.7".
This may well be true but from an engineering standpoint, it should not. If a tire has a different aspect ratio, then it should not have the same dimensions.
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Old 01-08-2016, 10:13 AM   #8
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The Maxxis 8008 is a ST235/80/16 offered on the Jayco units. An 85 should be a little narrower but may be a little taller. I would stick with the standard sizes myself.
Here is what I have always understood

235 is the nominal tire width in milimeters (235mm/25.4 mm per inch=9.25" wide)

80 is the dimension from tread to wheel (9.25 in x 80% =7.41")

Total tire diameter = 7.41" x 2 + 16 (wheel diameter) = 30.8"

235/85/16 would be same nominal width, but a little bit taller = 31.725"

If you have an extra inch to spare between your tires, you should be good to go. I don't have a camper to measure yet, but I did go from 15" wheels to 16" with LT tires on our soon to be old fifth wheel. Never had a flat after I switched to LT tires, best thing I ever did to the trailer!
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Old 01-08-2016, 05:32 PM   #9
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I run 235x85x16 LT's no problems
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Old 01-08-2016, 05:54 PM   #10
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Thanks for the good confirmation, guys.

I found a pretty good deal on the Cooper HT3's and ordered them.
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