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11-01-2012, 07:22 AM
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#1
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Montana Fan
Join Date: Dec 2009
Posts: 238
M.O.C. #9976
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Are These China Bombs?
[/img]
The two dark streaks are where I wet my fingers and traced/marked the indentations. There is a bulge between the two marks and elsewhere on the sidewall of the tire. There are also bulges elsewhere on the same tire, all on the sidewall. We have the same situation on three out of the four tires.
Please note that we have been essentially static since February 2011, with one trip to Lancaster in June for the Montana regional rally. Yes, we keep the tires aired up and covered and not sitting directly on the blacktop parking lot.
Just from reading my description and seeing the photo, are these indeed issues with the belts, i.e. "China bombs"? They are the originals.
We are looking to replace them, irregardless. Consensus as to make, ply, size, etc. for a 2010 Monty would also be appreciated; something with a decent track record.
This is one of the reasons we did not evacuate during Hurricane Sandy this week but went to a local hotel.
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11-01-2012, 07:58 AM
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#2
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Montana Fan
Join Date: Dec 2010
Location: North Port
Posts: 272
M.O.C. #10954
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Seeing that you took a pic of the DOT code, I took the leisure of googling it. It does come back as a good year Marathon.
I originally replaced mine with BFG Commercial TA's, but they were recalled, and I now have the Michelin XPS ribs. They are pretty pricy, but that is probably what I will stick with. From what I understand, they are pretty dang good tires. They do have the same weight rating of 3042 lbs, but they weigh 55 pounds each instead of the BFG's 45 and the Good Year Marathons 35. So Im willing to bet the XPS's have a huge reserve capacity.
Laters,
Ren
__________________
2021 Montana 3121RL w/ Cobalt Paint
2019 F-450 w/ airbags and 25k BW Companion
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11-01-2012, 08:26 AM
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#3
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Montana Master
Join Date: Jun 2004
Location: Benson
Posts: 3,121
M.O.C. #1658
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Those indentations are normal and nothing to worry about, just where plies overlap. Now the brand tire you have, that's another story, many members have had Missions fail
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11-01-2012, 09:21 AM
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#4
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,361
M.O.C. #6433
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I had the same bulges on my OEM Missions. Although they were really showing no other signs that they might fail after 5,000 miles, I did replace them with Michelin XPS Ribs just because of numerous reports of blowouts.
I had a friend (recently passed away) who put around 10,000 miles in 3 years on his Missions with no problems. Replaced them with Marathons due to concerns about the Missions and had a blowout on a Marathon within a year. Go figure.
Actually he told the dealer he wanted USA made tires and the dealer installed Marathons. He did not know any better until I looked at the sidewall and saw "Made in China". Either the dealer assumed being Goodyear they were USA or he was a shady dealer.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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11-01-2012, 11:15 AM
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#5
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Montana Master
Join Date: Aug 2006
Location: Texico
Posts: 1,917
M.O.C. #6150
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8.1al is correct, the indentations are normal. All tires have them, some are just more pronounced than others.
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11-01-2012, 12:38 PM
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#6
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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X3 on that being normal. Since I had Marathons as original equipment I took them to a Goodyear dealer as they became more pronounced as the tire heated up. They said they were fine, but I replaced them with G614's.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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11-01-2012, 02:55 PM
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#7
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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As stated, normal
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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11-02-2012, 08:33 AM
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#8
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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Another term I've heard for these is "dimples" (maybe that's a California thing) and are normal.
What you need to be concerned about are any bulges and separations at the side walls. This is a common indicator right before a major blowout so hopefully you examine your tires often and when this starts to show itself, then BE WARNED! Worst of all, tire rot is a big problem because the rot typically starts inside the tire and you can't see it, then KAPOW - this has happened to me twice.
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11-25-2012, 11:27 AM
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#9
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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And if you're still not sure, be aware that LonnieB is a tire dealer who is very highly respected by many of us and is known to us as honest as the day is long. His word is good enough for me.
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11-25-2012, 11:48 AM
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#10
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Montana Master
Join Date: Jan 2006
Location: South
Posts: 2,499
M.O.C. #5140
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Quote:
quote:And if you're still not sure, be aware that LonnieB is a tire dealer who is very highly respected by many of us and is known to us as honest as the day is long. His word is good enough for me.
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Yup...
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11-25-2012, 01:03 PM
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#11
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Montana Master
Join Date: Nov 2003
Location: Santa Fe Springs
Posts: 4,189
M.O.C. #639
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can we call them 'May Pops" China Bombs are scarry
__________________
Pulling a 2004, 2980 RL an oldie but goodie.
Tow vehicle is a 2009 RED RAM 3500 DRW.
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11-29-2012, 08:46 AM
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#12
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Montana Fan
Join Date: Apr 2011
Location: Baton Rouge
Posts: 431
M.O.C. #11342
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I think that the alignment of risks are stacked against you:
load range and speed rating on this tire leave very little 'reserve' safety factor
A Higher speed rated truck tire with same load rating adds a significant safety factor
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11-29-2012, 10:16 AM
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#13
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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Quote:
quote:Originally posted by fauch
I think that the alignment of risks are stacked against you:
load range and speed rating on this tire leave very little 'reserve' safety factor
A Higher speed rated truck tire with same load rating adds a significant safety factor
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Good luck in finding those. An "E" rated trailer tire has a much higher load capacity than an "E" rated truck tire.
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11-29-2012, 01:36 PM
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#14
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Interesting....
Look at my signature and you'll see what I replaced my O.E.M. marabombs with at 300 miles. My new tires had no such bulges. I even went so far as to take my new 2010 3150RL to the Goodyear tire store and was also told the bulges were "normal".
NONE of my car tires exhibited this bulge. Maybe I was lucky?
I don't doubt Lonnie. He sees way more tires than I do. It's just a curiosity.
Quote:
quote:Originally posted by LonnieB
8.1al is correct, the indentations are normal. All tires have them, some are just more pronounced than others.
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__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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11-30-2012, 03:36 AM
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#15
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Montana Fan
Join Date: Apr 2011
Location: Baton Rouge
Posts: 431
M.O.C. #11342
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Quote:
quote:Originally posted by Tom S.
Quote:
quote:Originally posted by fauch
I think that the alignment of risks are stacked against you:
load range and speed rating on this tire leave very little 'reserve' safety factor
A Higher speed rated truck tire with same load rating adds a significant safety factor
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Good luck in finding those. An "E" rated trailer tire has a much higher load capacity than an "E" rated truck tire.
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Its about "Service Rating", which is a speed at load rating.
and with the right rim diameter, you can get E rated tires that have up to 3750 lb. rating at 112 mph. Or 3042 lb load rating at 99mph.
Trailer tires cannot withstand the centrifugal force. How many of us stay under 65? and how many haulers that run from Indiana to your dealer stay under 65... 70...even 80+mph? THIS is why there are so many blow-outs and coming-from-together of RV tires. There was a recent discussion on here about Firestone Transforce HT tires. These are light truck tires that are E rated (3042 lbs) at 99 mph. This is a heavier-stronger side-walled tire, than an ST tire.
Haulers molest your minimally rated-low-cost tires on the way to your dealer. I think that even if the hauler did not experience a blowout, some stressing to the sidewall belts has been done.
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11-30-2012, 06:42 AM
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#16
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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Quote:
quote:Originally posted by fauch
Quote:
quote:Originally posted by Tom S.
Quote:
quote:Originally posted by fauch
I think that the alignment of risks are stacked against you:
load range and speed rating on this tire leave very little 'reserve' safety factor
A Higher speed rated truck tire with same load rating adds a significant safety factor
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Good luck in finding those. An "E" rated trailer tire has a much higher load capacity than an "E" rated truck tire.
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Its about "Service Rating", which is a speed at load rating.
and with the right rim diameter, you can get E rated tires that have up to 3750 lb. rating at 112 mph. Or 3042 lb load rating at 99mph.
Trailer tires cannot withstand the centrifugal force. How many of us stay under 65? and how many haulers that run from Indiana to your dealer stay under 65... 70...even 80+mph? THIS is why there are so many blow-outs and coming-from-together of RV tires. There was a recent discussion on here about Firestone Transforce HT tires. These are light truck tires that are E rated (3042 lbs) at 99 mph. This is a heavier-stronger side-walled tire, than an ST tire.
Haulers molest your minimally rated-low-cost tires on the way to your dealer. I think that even if the hauler did not experience a blowout, some stressing to the sidewall belts has been done.
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Perhaps - if you move up to a 19" rim, but then you have to find a rim and tire combo that will fit. Spending $2 to $3K on tires and rims is something I will pass on. I am aware of NO "E" rated tire in our size that is rated at more than 3,043lbs other than ST tires. If you know of some, please post them so we'll all know!
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11-30-2012, 11:50 AM
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#17
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Montana Fan
Join Date: Apr 2011
Location: Baton Rouge
Posts: 431
M.O.C. #11342
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Once again, its the speed at load rating that I keep harping on.
These are the tires I have on the wheels that came on my Montana: Firestone Transforce HT LT235/85R16 106mph at 3042 lb..I'll take this over an ST 65mph trailer tire.
LT tires have greater strength for sustained speed at load.
http://www.tirerack.com/tires/BigPic...=yes&tab=Specs
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12-31-2012, 10:45 AM
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#18
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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Don, if you're going for accuracy you'd have to call them "probably will pops" rather than "may pops."
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