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tires, question and comment [message #249902] Sat, 17 May 2014 08:39 Go to next message
chasingsummer is currently offline  chasingsummer   United States
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As I wake my coach and prepare far a trip in 2 wheel, I decide to raise rear wheels one at a time to spinn, wiggle and inspect. One wrangler tire looks great til i spin it. tread seperation only seen as i spin tire. I am sure glad i saw this. CHECK YOUR TIRES.

So off to tire store (truck store that claimed last year to have easy supply.
questions are, since it has sat for approx 4 month, how much brake pad noise should i hear when I spin tire, and, since this is center tire, all my tires are a miss match, and budget is set for 2, should new ones be in front, middle, or back??
thanks and

CHECK YOUR TIRES


brian asheboro, nc 75 eleganza, 74 build 119k miles and counting, DOG HOUSE
Re: [GMCnet] tires, question and comment [message #249903 is a reply to message #249902] Sat, 17 May 2014 08:56 Go to previous messageGo to next message
emerystora is currently offline  emerystora   United States
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I usually purchase two tires at a time. I put the new ones on the front. Usually moving the front to the mid and the mid to the rear. If I purchase two every two years then my oldest is between 4 and. 6 years old.

An exception to this would be if there is any unusual wear pattern. If so that tire would be discarded and the cause of the wear determined and repaired.

Emery Stora
77 Kingsley
Frederick, CO

> On May 17, 2014, at 7:39 AM, brian wrote:
>
> As I wake my coach and prepare far a trip in 2 wheel, I decide to raise rear wheels one at a time to spinn, wiggle and inspect. One wrangler tire
> looks great til i spin it. tread seperation only seen as i spin tire. I am sure glad i saw this. CHECK YOUR TIRES.
>
> So off to tire store (truck store that claimed last year to have easy supply.
> questions are, since it has sat for approx 4 month, how much brake pad noise should i hear when I spin tire, and, since this is center tire, all my
> tires are a miss match, and budget is set for 2, should new ones be in front, middle, or back??
> thanks and
>
> CHECK YOUR TIRES
> --
> brian
> asheboro, nc
> 75 eleganza, 74 build
> 119k miles and counting,
> DOG HOUSE
>
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Re: tires, question and comment [message #249908 is a reply to message #249902] Sat, 17 May 2014 10:01 Go to previous messageGo to next message
Bob de Kruyff   United States
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Location: Chandler, AZ
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chasingsummer wrote on Sat, 17 May 2014 07:39
As I wake my coach and prepare far a trip in 2 wheel, I decide to raise rear wheels one at a time to spinn, wiggle and inspect. One wrangler tire looks great til i spin it. tread seperation only seen as i spin tire. I am sure glad i saw this. CHECK YOUR TIRES.

So off to tire store (truck store that claimed last year to have easy supply.
questions are, since it has sat for approx 4 month, how much brake pad noise should i hear when I spin tire, and, since this is center tire, all my tires are a miss match, and budget is set for 2, should new ones be in front, middle, or back??
thanks and

CHECK YOUR TIRES

On a 6 wheel vehicle always place the new tires on the front. On a 4 wheel vehicle always put the new tires on the rear. As far as the brake noise, that's a subjective issue, but rust can accumulate quickly on drums and rotors. If the wheel spins at all, you are probably OK.


Bob de Kruyff
78 Eleganza
Chandler, AZ
Re: tires, question and comment [message #249912 is a reply to message #249902] Sat, 17 May 2014 10:58 Go to previous messageGo to next message
bwevers is currently offline  bwevers   United States
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My rear tires are ten years old. I may be pushing my luck. But they look ok and I park the coach in the shade with blocks under the boggies, no weight on tires.

Bill Wevers GMC49ers, GMC Western States 1975 Glenbrook - Manny Powerdrive, OneTon 455 F Block, G heads San Jose
Re: tires, question and comment [message #249918 is a reply to message #249912] Sat, 17 May 2014 12:26 Go to previous messageGo to next message
tphipps is currently offline  tphipps   United States
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10 year old tires equal a good opportunity for disaster. External physical inspection is not well related to the interior of the sidewalls and thread area.
Tom, MS II


2012 Phoenix Cruiser model 2552 KA4CSG

[Updated on: Sun, 18 May 2014 09:53]

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Re: [GMCnet] tires, question and comment [message #249919 is a reply to message #249912] Sat, 17 May 2014 12:35 Go to previous messageGo to next message
emerystora is currently offline  emerystora   United States
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Yes, you really are pushing your luck. If one blows the damage to the wheel wells and the Fiberglas would likely exceed the cost of 6 new tires.

I also know someone that was driving on old tires (non- GMC) and a tire blew. He went off the road and hit a tree and his wife died in the wreck. He still hasn't forgiven himself over the death of his wife.

You obviously know you are being foolish or you wouldn't have posted your question.

Several have reported their old spare tires blowing with absolutely no load on them.

Emery Stora
77 Kingsley Frederick, CO

> On May 17, 2014, at 9:58 AM, Bill Wevers wrote:
>
> My rear tires are ten years old. I may be pushing my luck. But they look ok and I park the coach in the shade with blocks under the boggies, no weight
> on tires.
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Re: tires, question and comment [message #249922 is a reply to message #249902] Sat, 17 May 2014 13:03 Go to previous messageGo to next message
chasingsummer is currently offline  chasingsummer   United States
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this was my middle tires, 8 years old by date code. blocked up and with tire covers on them is how I leave it parked at home. . Tires looked good til I rotated them. Both had same issue. easily missed with quick look. Seperation on one was approx 6 inches long, driver side seperation was 3 inches long. After seeing I was surprised it held air. I know neither would have made a trip. Easy inspection, small bottle jack under arm, I raised just high enough to look at tread as I rotated. It too me less than 30 minutes to one at a time inspect each rear tire. I sure am glad I did. Seperation on both of these was where tire touches ground. CHECK YOUR TIRES. tires may have run me close to $400, but my wheel wells are still good, I am not on side of road broke down with wife. (she is not a fan of being on side of road) . Since 2 were bad, I would have had a tow bill. I truely believe I just saved a weekend.

brian asheboro, nc 75 eleganza, 74 build 119k miles and counting, DOG HOUSE
Re: tires, question and comment [message #249925 is a reply to message #249902] Sat, 17 May 2014 13:21 Go to previous messageGo to next message
Broham is currently offline  Broham   United States
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I would do newest on the front and oldest in the back. This is based on driving a coach with 10+ year old tires and the two middle separated and blow first. I'm guessing the turning puts more wear on them but it is just a guess. My best advice is spend the $ and get new tires all a round. that is what i did.

good luck!


Todd Owner of a 1976 Eleganza II 26’ other toys: 93 Vette 84 Goldwing and gone but not forgotten 72 CB750 Chopper 96 Caprice Classic 34 Ford roadster 94 Fleetwood
Re: tires, question and comment [message #249941 is a reply to message #249902] Sat, 17 May 2014 16:22 Go to previous messageGo to next message
Wander Inn is currently offline  Wander Inn   United States
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When I have tires mounted I always put the D.O.T. date code on the outside.
This keeps me from crawling under the GMC (or any vehicle).

Mike.


Mike & Chris Hughes 1977 Kingsley Phoenix, Az.
Re: tires, question and comment [message #249943 is a reply to message #249902] Sat, 17 May 2014 17:34 Go to previous messageGo to next message
skip2 is currently offline  skip2   United States
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Since this discussion is up and running I have a couple of guestions for some of you wise sages. Since I've always wore out tires before any real age on them where is this separation to be looked for? Also,since I put dodge rims with Goodrich t/a's on the front, those 6 month old tires on alcoas have been in the garage covered up, is there anything I can do or should have done to keep them from going to waste? As always thank for any advise and all the folks that keep the forum alive.
Skip Hartline


74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd
Re: tires, question and comment [message #249948 is a reply to message #249943] Sat, 17 May 2014 18:05 Go to previous messageGo to next message
chasingsummer is currently offline  chasingsummer   United States
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On mine, the seperation was in middle of tire between 2 rows of tread. The tread appeared to only be slightly wider, Real strang to me. I had never seen a tire do such. I wish I had taken a pic. I could see what i think was the outside of the inner layer.

brian asheboro, nc 75 eleganza, 74 build 119k miles and counting, DOG HOUSE
Re: tires, question and comment [message #249955 is a reply to message #249912] Sat, 17 May 2014 18:41 Go to previous messageGo to next message
Bob de Kruyff   United States
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bwevers wrote on Sat, 17 May 2014 09:58
My rear tires are ten years old. I may be pushing my luck. But they look ok and I park the coach in the shade with blocks under the boggies, no weight on tires.

This is a tough issue to answer. Michelin mentions 10 years as a reasonable life and I ran mine for 12 years based on their inspection criteria. However, individual tire and storage situations vary so greatly that 6 years is a good conservative figure.


Bob de Kruyff
78 Eleganza
Chandler, AZ
Re: tires, question and comment [message #249956 is a reply to message #249955] Sat, 17 May 2014 18:50 Go to previous messageGo to next message
Otterwan   United States
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Isn't the 5 to 7 year tire life somewhat outdated? I know back in the day that bias ply tires didn't last all that long. But most tire manufacturers today rate their tires at 10 years or more. Now I'm not suggesting that you take off cross country on 10 year old tires, but given reasonable care (i.e. not sitting in direct sunlight) and no obvious cracks maybe we should move the "use by" date to 10 years?

The following is from Tire Rack's website:

"The current industry association recommendations regarding inspecting and replacing tires due to age originate outside the United States.

The British Rubber Manufacturers Association (BRMA) recommended practice issued June, 2001, states "BRMA members strongly recommend that unused tyres should not be put into service if they are over six years old and that all tyres should be replaced ten years from the date of their manufacture."


1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."

[Updated on: Sat, 17 May 2014 18:53]

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Re: tires, question and comment [message #249960 is a reply to message #249956] Sat, 17 May 2014 18:58 Go to previous messageGo to next message
Jim Galbavy is currently offline  Jim Galbavy   United States
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You can. I've seen too many tires 6 years old and older on GMCs go BANG.

It's a free country, you can do what you want. How many days in the average
month do you drive more than 30 miles and really warm up the motor and tires?

jim galbavy
'73 x-CL ANNIE
Lake Mary, FL
Re: tires, question and comment [message #249962 is a reply to message #249956] Sat, 17 May 2014 19:00 Go to previous messageGo to next message
Bob de Kruyff   United States
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Otterwan wrote on Sat, 17 May 2014 17:50
Isn't the 5 to 7 year tire life somewhat outdated? I know back in the day that bias ply tires didn't last all that long. But most tire manufacturers today rate their tires at 10 years or more. Now I'm not suggesting that you take off cross country on 10 year old tires, but given reasonable care (i.e. not sitting in direct sunlight) and no obvious cracks maybe we should move the "use by" date to 10 years?

The following is from Tire Rack's website:

"The current industry association recommendations regarding inspecting and replacing tires due to age originate outside the United States.

The British Rubber Manufacturers Association (BRMA) recommended practice issued June, 2001, states "BRMA members strongly recommend that unused tyres should not be put into service if they are over six years old and that all tyres should be replaced ten years from the date of their manufacture."

I agree, but a soon as you mention that on this net, the "irresponsible" coalition will emerge.


Bob de Kruyff
78 Eleganza
Chandler, AZ
Re: tires, question and comment [message #249964 is a reply to message #249962] Sat, 17 May 2014 19:13 Go to previous messageGo to next message
Otterwan   United States
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20 years ago the shelf life of a D-Cell battery was 2 years. Now it is 10 or more. No one seems to question this.

Granted tires on an 11,000 lb motor home are more application critical than a D-Cell. But things improve, and as they do, we should accept the improvement. With this in mind I think careful inspection and protection of your tires is more important than the actual age.

And on a totally unrelated note, a B-29 just flew over my house. Flanked by what looked like two Mustangs. Wow.


1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."
Re: tires, question and comment [message #249973 is a reply to message #249902] Sat, 17 May 2014 19:59 Go to previous messageGo to next message
skip2 is currently offline  skip2   United States
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Does my memory serve me correct that the center tire has more weight on it continually and more strain as in side flex than the rears in turns?

74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd
Re: [GMCnet] tires, question and comment [message #249975 is a reply to message #249903] Sat, 17 May 2014 19:54 Go to previous messageGo to next message
<rallymaster is currently offline  <rallymaster   United States
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The problem, David, is that we are not driving our coaches often enough.
The oils in the tires are not being circulated throughout the rubber.
All parts of our coach, including tires need exercise, just like we do,
in order to stay healthy. Go ahead and extend the "use by" date to 10
years. Just be sure to drive your coach at least 15 miles every day. Oh,
yes, and be sure to keep full insurance coverage on that lady, just in
case. Fiberglass body work is expensive.

RonC

On Sat, 17 May 2014 17:50:43 -0600 David Orders writes:
> Isn't the 5 to 7 year tire life somewhat outdated? I know back in the
> day that bias ply tires didn't last all that long. But most tire
> manufacturers
> today rate their tires at 10 years or more. Now I'm not suggesting
> that you take off cross country on 10 year old tires, but given
> reasonable care
> (i.e. not sitting in direct sunlight) and no obvious cracks maybe we
> should move the "use by" date to 10 years?
> --
> 1976 Royale "Twinkie II", 1978 Palm Beach with front end fire.
> Lynnwood WA - "We may not be able to stop all evil in the world, but
> I know that how we
> treat one another is entirely up to us."
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>


Ron & Linda Clark
1978 Eleganza II
North Plains, ORYGUN

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Re: tires, question and comment [message #249977 is a reply to message #249973] Sat, 17 May 2014 20:03 Go to previous messageGo to next message
Bob de Kruyff   United States
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skip2 wrote on Sat, 17 May 2014 18:59
Does my memory serve me correct that the center tire has more weight on it continually and more strain as in side flex than the rears in turns?

I don't think so.


Bob de Kruyff
78 Eleganza
Chandler, AZ
Re: [GMCnet] tires, question and comment [message #249983 is a reply to message #249975] Sat, 17 May 2014 20:37 Go to previous messageGo to previous message
Otterwan   United States
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<rallymaster wrote on Sat, 17 May 2014 17:54
The oils in the tires are not being circulated throughout the rubber.


I have never heard of oils being circulated in a tire by driving it. I would expect any use to accelerate tire degradation. Do you have any documentation on that issue?


1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."

[Updated on: Sat, 17 May 2014 20:39]

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