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Old 05-08-2003, 11:33 AM   #1
Ox
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An often asked question: What PSI do you run your tires at?

For Volvo 610 (and other Class 8 trucks)owners, I'm curious on what your actual run pressure is at. Opinions and data are abundant, real statements are rare.
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Old 05-08-2003, 05:55 PM   #2
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Hi Chris,


For no scientific reason, I run 90 in the fronts, and 85 or 90 in the rears. Full inflation is not required because not much weight is carried.

Have you had an opportunity to tow any significent distance yet? Are you using the factory hitch, or did you install an air ride hitch? (End of interrogation) :-)

onezman

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Old 05-08-2003, 09:06 PM   #3
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Chris:

Michelin on their web site has an iflation table, for various tire size and location (steer/drive). They also have an rv only for very lightly loaded tires.

I run 90 in front, and 85 in the rears and could go lower according to the charts.

Chuck
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Old 05-09-2003, 11:02 PM   #4
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Thanks for the info. Confirms where Suzy Q seemed to want the pressure set to.

onzeman: did a test run to California. Only a 600 mile run over a weekend. Wanted to check and see how things were working and catch problems before the planned big trips happened.

Still running the stock hitch. Pulled the trailer loaded with bikes without issues. Nate took his turn at it also. Great trip.
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Old 05-09-2003, 11:09 PM   #5
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Hi
I'm at 70 lbs with road tires I still have both rear axles and need the footprint.
This truck sure makes trailer towing Fun !
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Old 05-10-2003, 05:41 PM   #6
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Tom....what kinda truck are you pulling with?
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Old 05-10-2003, 10:10 PM   #7
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geof
Iam using 98 volvo 420 3axle it has 425 volvo eng. The truck has 650k miles on it 10k are mine. I prefer the smaller cab.
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Old 05-11-2003, 02:46 PM   #8
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by tom:
I prefer the smaller cab.<HR></BLOCKQUOTE>
I am also partial to the 420 cab for what I want to do. Problem is they aren't nearly as common as the larger sizes. And good luck finding a day cab with any sizable wheelbase!
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Old 05-11-2003, 04:28 PM   #9
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Hi Gary
My truck came from Georga, it was a "Little Debbie truck" itwas maintained by Ryder which made the sale for me .
Trucks are mostly used back east for regional over night runs .
Went to Washington on a trip and counted ten or so carriers were useing on I 5.
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Old 05-11-2003, 08:42 PM   #10
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Hey Tom-
Sounds like you got a good truck, as Ryder knows how to maintain 'em. I think warpath's truck was also a Ryder. Only thing with his was whoever drove it smoked like a train. Like Lynyrd Skynyrd sang, "EWWWWW that SMELL!"
Take care! Gary
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Old 05-11-2003, 09:38 PM   #11
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Tom,

I like those 420s too. Lot's of them are used as car haulers. With that flat roof, a car can be hauled over the cab too. What State did you register in, and how is it registered? If registered commercially, what does your insurance cost? I think many States would not register them as motorhomes.

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Old 05-11-2003, 10:05 PM   #12
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I looked at a 420 when I was considering a Showhauler Conversion......I think I will go with a 610....I wish a 770 table and couches ,that fold into a bed, would fit in a 610 but they won't....so I think I'll stay with the stock 610 interior setup....I got to send more time looking at stock 610's or unites that have been converted to RV Haulers....geof
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Old 05-11-2003, 10:06 PM   #13
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Hi onezman
I Live in Medford Or. it was Nov. reg. as truck 170 $ (30$) for third axle (one time only) can pay quarterly if we want . Insured with gmac as semi for non commercial use under 500$ a year no collision. Motor home reg. would be challenge not because of 420. DMV says no cdl if no pay . I have been from Washington to Arizona no scale stops yet. What fun these trucks are thankyou for all your shared experiences, they helped me tosee the light

1998 volvo 420 volvo engine 425 450k miles,3 axles overall length is 25' I have four wheeler behind cab

[This message was edited by tom on May 12, 2003 at 12:45 AM.]
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Old 06-25-2003, 09:05 PM   #14
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Hey, Chuck - Couldn't find the air pressure charts you mention on the Michelin site. Can you give me a full URL? thanks - Joe

1998 Volvo VNL64T610 N14Cummins
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Old 06-26-2003, 08:45 AM   #15
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Joe:

The Michelin site is fairly user hostile. The chart is a download, and you get to it by:

www.truckus.webmichelin.com

when the site comes up and it takes awhile to completely load, go to the banner on the left side go to: information
Bulletins
new tires
technical bulletins
and then scroll down to rv tires air pressure etc.

Lots of good information on their site, they just don't make it easy to get to.

Hope this helps

Chuck
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Old 06-26-2003, 06:24 PM   #16
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Thanks Chuck. I'll check it out. I've got recaps on the rear axle so I'm a little concerned about not being underinflated. Joe

1998 Volvo VNL64T610 N14Cummins
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Old 06-26-2003, 06:57 PM   #17
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Okay, Chuck - Am I an idiot, or are we playing a game of "stump the dummy". I can't see anything on the site titled "rv tires air pressure etc." Lots of other stuff there in the drop down menus; but nothing like I think I'm supposed to be looking for. Are you talking about the bulletin on motorhomes? This string started out with a question regarding tire pressures on Volvos and other Class 8s. Is that the information your trying to lead me to, or are you talking about motorhomes? Thanks - Joe

1998 Volvo VNL64T610 N14Cummins
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Old 06-26-2003, 08:17 PM   #18
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Joe,
I think he means Information-->Bulletins-->New Tires-->Technical Bulletins-->Motorhome Weights and Tire Pressure.
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Old 06-26-2003, 09:47 PM   #19
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Joe:

James is right. If you look at the section on motorhomes they have tire pressures for 22 and 24 inch tires. Sorry I didn't get the last title correct, forgot to write it down which is a huge mistake for me to make.

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Old 06-27-2003, 07:49 PM   #20
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Okay, I am "the dummy". I went to the "Motorhome Weights and Tire Pressure bulletin and all I see is a two-page PDF file that shows sketches of how to weigh an RV. There's absolutely nothing that I can see on these two pages that refers to 22 or 24 inch tires or air pressue. So, just call me a lost cause on this one. Thanks anyway - Joe

1998 Volvo VNL64T610 N14Cummins
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