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02-04-2017, 02:29 AM
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#1
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Senior Member
Join Date: Aug 2016
Posts: 161
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Tire inflation question
Today I got the RV on a scale after loading everything into it. I have the individual weights, however the PSI table of the TOYO tire shows MUCH lower PSI than the label from Monaco or Goodyear (old original tires)
As an example, my tag axle at 11160 Lbs total shows 75 PSI from TOYO vs 90 PSI.
Steer came at 14720 total and based on TOYO is 102 PSI vs 115.
Should I go with TOYO's table??
__________________
2010 Dynasty Majestic V
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02-04-2017, 05:58 AM
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#2
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Senior Member
Workhorse Chassis Owner
Join Date: Oct 2007
Location: South Jersey
Posts: 1,083
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I would use Toyo table plus 5 psi.
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Kathy & George Zimm
Mickleton, NJ
2006 Coachman Epic & 2013 Chevy Equinox Toad
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02-04-2017, 02:15 PM
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#3
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Senior Member
Join Date: Dec 2013
Location: Lake Havasu City, AZ & Plover, WI
Posts: 6,403
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Be sure that you are comparing the same ply rating between Toyo and Goodyear. I have found different brands of the same ply rating to be very close to one another.
__________________
2006 Monaco Executive 44 Denali
2013 43 QGP Allegro Bus ( SOLD )
2013 Avalanche
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02-04-2017, 03:32 PM
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#4
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Senior Member
Join Date: Jul 2010
Posts: 5,701
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Quote:
Originally Posted by Crasher
Be sure that you are comparing the same ply rating between Toyo and Goodyear. I have found different brands of the same ply rating to be very close to one another.
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Sounds right to me.
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Tom
2025 BTCruiser 5255
2021 Jeep Gladiator Sport Willys
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02-04-2017, 04:34 PM
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#5
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"Formerly Diplomat Don"
Newmar Owners Club
Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 25,325
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The numbers on the coach are what the pressure would be if your coach was loaded to capacity. There is no way they're going to know how light or heavy you're going to load the coach. That's why weighing the coach always gives you more precise numbers.
Do as "George Z" suggested and add 5psi. Watch the outer edges for excessive wear (under inflated). If they look good after 5K, lower them down some more. I like mine as soft as possible, without wearing, to make for a better ride.
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Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2024 GMC Sierra 1500 Denali 4x4 6.2L
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02-05-2017, 10:12 AM
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#6
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Senior Member
Join Date: May 2012
Posts: 3,327
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While you are at it, have your tire gauge checked at a tire place. My ride seemed to be a little rough lately. Bought a new gauge and it was reading 10lbs more than the old gauge. Sure enough, the old gauge was reading 10lbs low so I was over inflated. I am sure it could go the other way also, which would be alot worse.
Jake
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02-05-2017, 10:33 AM
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#7
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Senior Member
Tiffin Owners Club
Join Date: Oct 2010
Location: Granger, TX
Posts: 608
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Use the tables for the tires on your rig. Use the same pressure on both sides, based on weight of the heavier side. No need to overinflated bur more is better than less. Check pressure changes due to outside air temp, your big rig tires can easily drop 5 psi + on a cold morning, e.g., was 70 degrees when you arrived yesterday, and it is 35 this morning for departure. Fill for the cold morning temperature. Previous advice about checking your tire gauge is good advice.
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02-05-2017, 12:54 PM
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#8
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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Quote:
Originally Posted by George Z
I would use Toyo table plus 5 psi.
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Same here
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Home is where I park it!
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02-05-2017, 12:59 PM
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#9
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,845
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Toyo want's you to use the pressures listed on the label from Monaco  !
__________________
Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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