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Old 01-27-2007, 10:10 AM   #15
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Tire psi

JVW,

Thanks for checking those numbers! Since I no longer have my 370, I couldn't go look at the numbers. Anyway, I took the 370 to a truck scale fully loaded, and found I needed 80 psi in the front, and 60 psi in the rear. I'm suspicious you will be very similar since the 345 is so close to the 370. I couldn't remember the max. psi for the wheels, as you know, so I really appreciate that information. That's why I posted the entry about NOT inflating tires to the max. listed on the sidewall. If one did that in your case, for example, they would have over-pressurized the WHEELS by 20 psi! I am a little surprised the wheels are rated for only 90 psi, but since that's what is says, it's all the more important to follow the load procedure to set tire psi correctly.

Thanks for the info.

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Old 01-27-2007, 12:36 PM   #16
JVW
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1989 34.5' Airstream 345
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tire pressure

novia, the original mechelin tires were not rated for 110 psi max. the newer mechelin tire are rated at 110 psi. airstream's 1989 manual recommended that 70psi for the front , 60 psi for rear and 60 psi for the tag. air bags at
55 psi (front). using these pressures you would be well in the limits of the
rims. for the record i use 90 psi all the way around.
have a good one! jvw
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Old 01-27-2007, 01:31 PM   #17
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JVW,

One note - I had the same manual recommending 70 psi in the front. I went to 80 psi after going to the scales and realizing it wasn't enough for the weight up front. I'm sure you're safe with 90 psi, but you may experience a better ride if you do the scale thing.

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