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Old 04-29-2016, 11:32 PM   #81
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Change the brake drums to 12" from 10" and the bonus is moving from 5 lug to 6 lug wheels. While doing that, make sure to get the auto-adjusting brake model. The oversized drums will work a little less harder stopping the lighter 23' models than the larger units.

I find I have more than enough braking capacity even with the 15" tires and wheels on the 10" drums. Andy at CanAm had a different suggestion on the brake settings for the Tekonsha Prodigy RF system than one would normally use .
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Old 04-11-2017, 08:04 PM   #82
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air pressure for 16" wheels

Hi, quick question. We made the switch to michelin 225/75/16 wheels (m/s) on our FC20. We are very excited to benefit from the stability others have mentioned. What tire pressure are people using for these tires? They are rated up to 85. Our shop started with 65... but I want to get it right before we start on our adventures..

-Charles
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Old 04-12-2017, 02:23 AM   #83
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In December of 2013, we ordered five of the Michelin LT225/75R16/E LTX M/S2 tires rated 2,680 pounds @ 80 psi that are 29.2" in diameter and were Michelin P/N 05681 and cost $1,187.69 at CostCo. They were mounted on the T03-66655T SenDel wheels the Airstream factory uses and sells.

Our 2014 31' Classic scale numbers on May 2014

……….1200 ———————1200

2034…………..2042 ——— 4076

1921…………..2062 ——— 3983

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The tire load tables are below. Since I know the exact wheel load for each tire, I needed a 2,500 load capacity which would be 72.5 psi.

80psi 2,680 (E)
75psi 2,560
70psi 2,440
65psi 2,335 (D)
60psi 2,190
55psi 2,060
50psi 1,940 (C)
45psi 1,790

We run 73 to 75 psi cold.
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Old 04-12-2017, 05:15 AM   #84
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Quote:
Originally Posted by cedonly View Post
Hi, quick question. We made the switch to michelin 225/75/16 wheels (m/s) on our FC20. We are very excited to benefit from the stability others have mentioned. What tire pressure are people using for these tires? They are rated up to 85. Our shop started with 65... but I want to get it right before we start on our adventures..

-Charles
I have run these tires on four Airstreams, 25' and three 30' at about 74 psi. So far never an issue.
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Old 04-12-2017, 07:19 PM   #85
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much appreciated! That is exactly the info I was looking for. thanks for the quick reply and the PSI to weight table..

-Charles
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