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Old 09-05-2006, 11:45 AM   #1
Rudi and Ellen
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Tire Pressure

The tires on both the Montana and my truck call for a maximum of 80psi. What is the 'actual' inflation pressure that many of you use?


Rudi & Ellen Hufnagl
2004 3295RK
2001 Chevy 2500 Silverado Diesel
Allison/Duramax/4-Wheel Drive/Short Bed/Crew Cab
16K Super Glide Hitch
 
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Old 09-05-2006, 11:56 AM   #2
Mac
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Rudi,

I put 80 PSI in the trailer, 80 PSI in the rear truck tires and somewhere between 70 - 75 in the front tires.

mac



1999 Silverado LS Extended Cab, Prodigy Brake Controller
2006 2955RL
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Old 09-05-2006, 12:34 PM   #3
Gonfishin
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Ditto what Mac said.
Rick.

2005 Montana 3670
2005 Chevy 2500HD D/A
Pullrite SuperGlide
Prodigy/Intella-Stop
Doran Pressure Pro
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Old 09-05-2006, 12:35 PM   #4
indy roadrunner
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I have 55 on front of TV, 80 on drive axle of TV and 80 on Trailer however I am considering lowering to 70 as I am not carrying that much weight on my trailer axles to run max. Reason being, I do not full time in mine, strictly a weekender and we are not loaded that heavy. If it was hot weather I would more than likely have at 70 now as the pressure will build some in hot weather vs the cooler weather we are having now in my part of the country.

Phill & Gladys
Sometimes me sits and thinks - sometimes me just sits.
06 GMC 2500HD Duramax 4x4
06 Montana 3400RL
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Old 09-05-2006, 12:38 PM   #5
Glenn and Lorraine
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If your 01 is the same as my previous 03 or current 05 I would recommend 60 front and 80 rear. The Monty gets 80 all the way around.
And don't forget the spares. Both should have 80 psi. The trucks spare can be deflated to 60 if needed on the front.


Glenn
Montana Owners Home Page
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Glenn and Lorraine
M O C - 4 2 0
WE SUPPORT OUR TROOPS



Click on either of the above for a larger image
We are using a 2005 White GMC Sierra SLE 2500HD Extended Cab, Short Bed, 4X4
with the Duramax/Allison Combo and Firestone Ride-Rite air bags
to drag around our 2004 Montana 2955RL 32'
using a PullRite 16K SuperGlide Automatic Sliding Hitch


"We must be willing to get rid of the life we've planned,
so as to have the life that is waiting for us!"

You know you are retired when you wake up in the morning with
nothing to do and go to bed at night with it only half done.

BUT, Keep in mind, doing nothing can be a very
tiresome job because you can't stop to rest



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Old 09-05-2006, 02:06 PM   #6
Rudi and Ellen
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Thanks guys. Very helpful!


Rudi & Ellen Hufnagl
2004 3295RK
2001 Chevy 2500 Silverado Diesel
Allison/Duramax/4-Wheel Drive/Short Bed/Crew Cab
16K Super Glide Hitch
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Old 09-05-2006, 03:39 PM   #7
bob n pam
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We run 65 to 70 in front, 80 in rear duals when towing, and 80 on the Montana.
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Old 09-05-2006, 03:56 PM   #8
lawrenceb42106
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We run 70 in the front and 75 on the duals. 70-75 on the Montana.

Larry & Roma
2001 3295RK Montana/3s
2001 3500 4X4 Chev Ext cab Duramax Dually
Hartselle,Alabama
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Old 09-05-2006, 05:12 PM   #9
ols1932
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I carry 80 psi in all tires. But then, I'm carrying a pretty good load. I like to use what the tire manufacturer calls for when carrying a full load.

Orv
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Old 09-05-2006, 08:16 PM   #10
Montana Sky
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I run 80 psi in all the coach and truck tires. I want the maximum carrying capacity of each and every tire.


2004 Chevy Silverado LT 2500HD CrewCab Duramax
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Old 09-06-2006, 02:58 AM   #11
Glenn and Lorraine
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As you can see you are getting some mixed inormation and I am about to add to the mix.
I would suggest you read the following thread. Although it starts with a question about Ford it does go quite a bit further...

http://www.montanaowners.com/forums/...ad.php?t=16966
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Old 09-06-2006, 07:31 AM   #12
c5racer
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One thing you might consider is the more air in the tires, the less rolling resistance.




04 Silver Dodge Laramie QC 3500 DRW, HO Diesel, 2wd, 6spd, LB, 4.10, Sport pkg, Bun warmers, Jake.

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Old 09-06-2006, 02:28 PM   #13
sreigle
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In the Montana, 80 psi all the time. In the truck, when towing, 65 in the front, 80 in the rear. Not towing, 65 all around is what I do with ours.

See another Montana or Mountaineer on the road? Flash lights twice, it might be one of us!
Steve Reigle (pronounced Regal)
Fulltiming since 3/21/03
'07 3400RL
'05 Ford F250 SD Lariat CC SB 6.0L PSD/TS FX4 4x4

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Old 09-06-2006, 07:09 PM   #14
MAMalody
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I run 55 front and 8o rear on my TV and 80 on all trailer tires. I don't mess with it and it works for me.

Mike

F350 7.3L LB SRW
2003 3575RL
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Old 09-07-2006, 03:57 AM   #15
Glenn and Lorraine
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Quote:
quote:Originally posted by c5racer

One thing you might consider is the more air in the tires, the less rolling resistance.
Yes you are 100% correct and less rolling resistance equates to better fuel mileage. Now isn't that what we are all striving for, better fuel mileage??
The less rolling resistance is due to the fact that you have a smaller footprint in contact with the road. The smaller foot print means less tread on the road which equates to more tread wear down the center of the tire which means the tires wear out faster, have less road contact during braking and steering, especially so in a panic stop or maneuver, the tire has less flex and therefore could be damaged more easily when encountering potholes or debris in the road. Over inflated tires cannot isolate road irregularities such as potholes, tar strips, expansion joints as well as properly inflated tires causing the vehicle to ride harsher and transmit more noise into its interior.
So if you want to sacrifice all of the above and more for less rolling resistance just to save a few pennies on fuel than by all means go for it.
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Old 09-07-2006, 04:35 AM   #16
skypilot
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Have to add my .02 here - I think you need to do several things first then decide what pressure. First is to weigh your trailer the way it will be used. You might be surprised - I was this past weekend - finally weighed mine and found that my drivers side (has Ref, ent ctr, W/D) and small slide is a little over 1000 pounds heavier than my street side. Still 3K under gross for the trailer overall but those tires are running almost at max right now, the curb (passenger) side is running light. Point being, if I 'assumed' that my trailer weight was equally shared by all 4 tires on the ground, I would have gone to step two (that step being to go to the tire web site and see what they recommend for weight vs. air pressure), reduced my pressure from the 80 that I had and, potentially, been under inflated. Under inflated tires equates to hot running, and potentially a blow-out with significant damage potential.

All that said, I strongly recommend you weigh your unit, preferably get a weight load for each wheel, and then make your decision(s). What each of us does is great to know but ultimately it is your vehicle and load that will determine the proper air pressure you should maintain!

Off my soap box. Sorry for the rant - sometimes I feel that I'm back up on the platform teaching --- best wishes for safe and happy camping.
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Old 09-07-2006, 06:53 AM   #17
zteg
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My rig calls for 80 PSI and in new tv the tires also were 80. Check sticker on door of tow vehicle as my ford calls for 60PSI in front and 75 in rear even though tires said 80. At an oil change in Ariz the dealer showed the excessive wear on outer edges due to overinflation.
Live and learn.....
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Old 09-07-2006, 11:34 AM   #18
sreigle
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Outer edge wear is underinflation.

Anyone know which scales will weigh each wheel independently? I've not even found one that will give me separate trailer axle weights even when each is on a different scale segment. Do I have to ask for that? So far they've all given me 3 weights - truck front, truck rear, trailer. I'd really like a per wheel weight on the trailer.

See another Montana or Mountaineer on the road? Flash lights twice, it might be one of us!
Steve Reigle (pronounced Regal)
Fulltiming since 3/21/03
'07 3400RL
'05 Ford F250 SD Lariat CC SB 6.0L PSD/TS FX4 4x4

Our RV Travels (now Firefox-compatible)

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Old 09-07-2006, 12:06 PM   #19
Glenn and Lorraine
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Glenn
Montana Owners Home Page
RV Related Links



Glenn and Lorraine
M O C - 4 2 0
WE SUPPORT OUR TROOPS



Click on either of the above for a larger image
We are using a 2005 White GMC Sierra SLE 2500HD Extended Cab, Short Bed, 4X4
with the Duramax/Allison Combo and Firestone Ride-Rite air bags
to drag around our 2004 Montana 2955RL 32'
using a PullRite 16K SuperGlide Automatic Sliding Hitch


"We must be willing to get rid of the life we've planned,
so as to have the life that is waiting for us!"

You know you are retired when you wake up in the morning with
nothing to do and go to bed at night with it only half done.

BUT, Keep in mind, doing nothing can be a very
tiresome job because you can't stop to rest



Click on the Flags for the Forecast
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Old 09-07-2006, 12:40 PM   #20
Cat320
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Most of us will be running the Montanas at nearly GVWR (due to their low cargo capacity)...max weight = max tire pressure.

Bert and Betty
Fort Smith, AR
2007 Silverado Classic 3500, DRW, D/A, CC
2007 Montana 3400RL
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