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05-26-2009, 09:12 AM
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#1
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Montana Master
Join Date: Aug 2006
Location: Texico
Posts: 1,917
M.O.C. #6150
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Be Tire Smart
Here is a link to some tire information from the Rubber Manufacturers Association. Some of the information on this site is already well known to most RVers, but some of it isn't.
http://www.betiresmart.org/tire_safe...ce_and_safety/
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05-26-2009, 09:43 AM
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#2
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Montana Master
Join Date: Nov 2007
Location: Canon City
Posts: 1,340
M.O.C. #7919
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LonnieB,
I bet this has been asked previously but, I missed it. Is it worthwhile to rotate the tires on the Monty?
Also please explain hub centric balancing. Thanks JB
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05-26-2009, 10:43 AM
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#3
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Montana Master
Join Date: Aug 2006
Location: Texico
Posts: 1,917
M.O.C. #6150
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In my opinion it isn't necessary to rotate trailer tires UNLESS you start to notice unusual wear patterns. If an unusual wear pattern is starting, you should have the tires looked at by a tire professional to determine the cause before rotating the tires. Usually there is a mechanical or operator problem causing the unusual wear that will need to be addressed.
Hub-Centric Balancing - This method uses the pilot hole (large center hole) of the wheel. The wheel and tire assembly is placed on the shaft of the balance machine, then a cone shaped device is slid over the shaft into the hole in the wheel and secured by a large wing nut. This centers the assembly on the machine IF the pilot hole is the true center of the wheel. This method is the most commonly used and is accurate most of the time.
Lug-Centric Balancing - This method uses the stud holes of the wheel. A special adapter plate with adjustable threaded studs is mounted on the balance machine. The tire and wheel assembly is mounted to the adapter plate with lug nuts. This method is unquestionably the best and in some cases the ONLY way to get the assembly centered on the machine. This method is very time consuming so it isn't used much unless requested by the customer or the pilot hole in the wheel is off center.
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05-26-2009, 11:05 AM
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#4
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Montana Master
Join Date: Apr 2007
Location: South Shore
Posts: 6,009
M.O.C. #7110
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Thanks for the link!
Good information there.
__________________
2011 GMC 4X4 dually CC, 6.6 Duramax with Allison Transmission. Formally 2001 Montana,2007 3400RL Montana, presently 2018 3401RS Alpine.
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05-26-2009, 11:16 AM
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#5
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Montana Master
Join Date: Jan 2008
Location: Portland
Posts: 1,107
M.O.C. #8045
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We had a fleet of 1993 (I think they were 93 or near that) Dodge one ton duelys. That year the rear wheels did not have a centering method to keep them true. They did not have cone shaped lug nuts. After replacing all the rear TIRES as faulty the dealer finally received a set of tapered lug nuts to use to center the wheel and then use the original flat surfaced nut torqued down to keep wheels centered. This was a mfg fault which must have been corrected later. Your idea of balancing brought that problem to my mind. Using the tapered lug nuts would certainly give you a better and more true balance.
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05-26-2009, 11:30 AM
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#6
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Montana Master
Join Date: Jul 2003
Location: Clearwater
Posts: 10,917
M.O.C. #420
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Great link Lonnie.
When you visit the link Lonnie posted you will see a link titled Tire Safety Quizzes
There are 4 different tests, lets see your tire knowledge.
I scored 100% but than again I did spend many years in the tire business.
Without cheating and if you dare post you score here.
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05-26-2009, 12:00 PM
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#7
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Montana Master
Join Date: Apr 2006
Location: Brownsburg
Posts: 1,186
M.O.C. #5634
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Lonnie thanks for the info link.
Glenn I missed 2 out of 16, I missed the mileage vs rotation question and measuring tread depth. Never heard of using a penny, I always carry a tread depth gauge in my truck.
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05-26-2009, 02:04 PM
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#8
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Montana Master
Join Date: Sep 2007
Location: Texas City
Posts: 5,736
M.O.C. #7673
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16 out of 16.
Easy test.
Some good information. Thanks.
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05-26-2009, 05:02 PM
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#9
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Montana Master
Join Date: Nov 2004
Location: Oak Harbor
Posts: 1,530
M.O.C. #2471
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Good info....I missed 1 out of 16.
Jack
__________________
Previous:2004 Mountaineer 325FKBS,2010 Montana 3455SA Now:2018 Bighorn 3575EL (SOB's ) Res. Fridge,W/D,Disc Brakes,Water Softener,Dish Tailgater PRO,LioN Batts, several mods.
2021 RAM 3500 Laramie.... "LOADED", 4x4, SB H.O. 6.7L, Aisin Trans, PullRite Super Glide Hitch, 52 Gallon Titan Fuel Tank.
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05-27-2009, 02:21 AM
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#10
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Montana Master
Join Date: Feb 2004
Location: Brandon
Posts: 3,944
M.O.C. #1034
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Surprised myself, got 15 out of 16. Must admit I have gained a lot of my knowledge from this MOC forum.
__________________
Darwin & Maureen DeBackere
Minnedosa, Manitoba, Canada
2011/3500/Silverado/4x4/DRW/Duramax
2017/3721RL/Legacy Pkg./Pressure-Pro
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05-27-2009, 05:41 AM
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#11
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Montana Master
Join Date: Jul 2004
Location: Manhattan
Posts: 1,144
M.O.C. #1846
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15 out of 16 -- read too much into the question on tire rotation .
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05-27-2009, 08:03 AM
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#12
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Montana Master
Join Date: Nov 2007
Location: Canon City
Posts: 1,340
M.O.C. #7919
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Thanks for the reply and info LonnieB.
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05-27-2009, 08:06 AM
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#13
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Montana Master
Join Date: Aug 2008
Location: New Bern
Posts: 4,372
M.O.C. #8728
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14 of 16. I learned something. Thanks for the quiz.
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05-27-2009, 12:32 PM
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#14
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Montana Master
Join Date: Jul 2004
Location: Manhattan
Posts: 1,144
M.O.C. #1846
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Just to add to LonnieB's answer on hub and lug centric. On my Mountaineer's steel wheels they had to be balanced lug centric -- I had the tire shop do one hub centric and then asked them to check it lug centric after I noticed the large amount of weight they had put on the tire. When they checked it lug centric it was way out of balance, so they removed the weights and rebalanced it lug-centric. Took less than an ounce inside and out to balance. Ran those tires for several years with no problems and no abnormal wear. As I recall, at that time we had a thread going talking about the value of each, difference of each, etc., and it was noted then, as now, that most of the steel wheels need to be balanced lug-centric; the alloy wheels hub-centric (better machining, manufacturing methods as I recall).
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05-27-2009, 01:35 PM
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#15
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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On our three Montanas I've found the same as skypilot. When the shop uses hub centric balancing they always say the rims are out of round and the tires as well and they can't accurately balance them. So now I always tell them to use lug centric balancing. If they give me a blank look, I go elsewhere.
Lonnie and Glenn and any other tire people, I've been told a couple of times that trailer rims are not manufactured to have the hole dead center since those rims are not centered by the hub when mounted to the trailer and that's why lug centric balancing of trailer tires is the only accurate method. I do not have the expertise to say that's true but it sounds reasonable to me. Based on earlier posts in this thread I think you agree with that? Thoughts? Thanks.
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05-27-2009, 04:57 PM
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#16
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Montana Master
Join Date: Aug 2006
Location: Texico
Posts: 1,917
M.O.C. #6150
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Quote:
quote:By sreigle
Lonnie and Glenn and any other tire people, I've been told a couple of times that trailer rims are not manufactured to have the hole dead center since those rims are not centered by the hub when mounted to the trailer and that's why lug centric balancing of trailer tires is the only accurate method. I do not have the expertise to say that's true but it sounds reasonable to me. Based on earlier posts in this thread I think you agree with that? Thoughts? Thanks.
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Steve, I do agree that the lug-centric method is the best and in most cases, the only way to balance steel trailer wheels. I don't know if it's because of the wheels not being centered by the hub, or just that they are allowed more tolerance in the manufacturing process. Alloy wheels are usually built to more exact standards with much closer tolerances, but even these are sometimes off a bit. There ARE trailers out there with hub piloted steel or alloy wheels, but they are usually on heavier trailers with 8000 pound axles. This type of wheel has the pilot hole exactly in the center and uses lugnuts with flanged washers built onto them. Of course these wheels have nothing to do with our Montanas.
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