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Old 06-24-2015, 08:19 AM   #1
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tire size question

I have a new to me 2010 Winnebago Aspect 30C on a Ford E450 chassis and it came with 225/75-16E tires and since I'd like to replace them has anyone used 235/85-16E as replacements? If so, would you do it again?

I realize that my speedometer will read differently. No big deal to me.
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Old 06-24-2015, 09:26 AM   #2
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Quote:
Originally Posted by denk View Post
I have a new to me 2010 Winnebago Aspect 30C on a Ford E450 chassis and it came with 225/75-16E tires and since I'd like to replace them has anyone used 235/85-16E as replacements? If so, would you do it again?

I realize that my speedometer will read differently. No big deal to me.
I don't think I'd do the 235 85 16 because the side wall is so tall... 7.86


the 235 is 31.7 tall which should fit, I did the same with the 225 70 19.5 they're 31.9 tall...

but that was back in 08...
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Old 06-24-2015, 09:29 AM   #3
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The other thing to think about is that the sidewalls with "squish" more. With dual rear wheels, you don't want the tires to contact each other.

I'd try it if I could find E450s quipped with the taller tire, otherwise probably not.

Are you after a "softer" ride?
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Old 06-24-2015, 09:31 AM   #4
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I just got a 2015 montera...I'm gonna go with the 225 70 19.5
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Old 06-24-2015, 09:34 AM   #5
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The other thing to think about is that the sidewalls with "squish" more. With dual rear wheels, you don't want the tires to contact each other.

I'd try it if I could find E450s quipped with the taller tire, otherwise probably not.

Are you after a "softer" ride?
they're about a 1/2'' wider
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Old 06-24-2015, 09:40 AM   #6
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Yes, thought it might provide a bit more softness since the tire is taller.

I'm not sure how to account for the dual spacing to determine if they will 'kiss'.
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Old 06-24-2015, 09:47 AM   #7
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they're about a 1/2'' wider
Not just that, they'll compress more under load.
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Old 06-24-2015, 09:56 AM   #8
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Yes, thought it might provide a bit more softness since the tire is taller.

I'm not sure how to account for the dual spacing to determine if they will 'kiss'.
heres a tire chart

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Old 06-24-2015, 09:57 AM   #9
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https://www.tacomaworld.com/tirecalc...0r16-235-85r16
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Old 06-24-2015, 12:23 PM   #10
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Does anyone know what the space is between the 225 duals? I could subtract this from the 0.4/tire to see the result using the 235.
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Old 06-24-2015, 02:46 PM   #11
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wrong tire size....sorry bout that




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Old 06-24-2015, 02:48 PM   #12
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this is with 19.5's








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Old 06-26-2015, 02:06 AM   #13
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Does anyone know what the space is between the 225 duals? I could subtract this from the 0.4/tire to see the result using the 235.
I just got mine... the 19.5s won't work on the new tioga...

there is about 1 finger space between the duals...
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