Home » Public Forums » GMCnet » Tires (Find or change from 16")
| Tires [message #290906] |
Tue, 24 November 2015 21:00  |
Barnell
Messages: 16
Registered: August 2015
Location: Mcdonough, GA
Karma: 0
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Having hard time finding 16" tires. Do you have to change wheels to more popular size or can someone provide good reasonable location for 16" tires. Mine are in near perfect condition except minor cracks on side. Thank you
Travis, GA
Barnell, Mcdonough, GA
1978 Royale, rear bath 26'
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| Re: Tires [message #290908 is a reply to message #290906] |
Tue, 24 November 2015 21:09  |
rcjordan
Messages: 1913
Registered: October 2012
Location: Elizabeth City, North Car...
Karma: 1
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16.5" tires?
Yes, most try to change to 16" rims and Load Range "E" tires. If your tires are older than 5yrs you should replace them. Search the forum about tires. Lots of threads here covering tat topic.
SOLD 77 Royale Coachmen Side Dry Bath
76 Birchaven Coachmen Side Wet Bath
76 Eleganza
Elizabeth City, NC
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| Re: Tires [message #290911 is a reply to message #290908] |
Tue, 24 November 2015 21:20 |
Barnell
Messages: 16
Registered: August 2015
Location: Mcdonough, GA
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Junior Member |
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Thank you much
Barnell, Mcdonough, GA
1978 Royale, rear bath 26'
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| Re: Tires [message #290912 is a reply to message #290906] |
Tue, 24 November 2015 21:44 |
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Anonymous
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hi Newbie,
Ive read that the OEM 16" steel rims are for bias ply tires only and not radials but Im not sure if that is all 16" rims for all years or only early models. hopefully somebody else will chime in and clarify that but Im pretty sure at least some 16" rims must not run radial tires.
if you find you need new rims and tires though, I need an old set with tires that just hold are for rolling a parts project coach around. I had to borrow wheels to get this coach home and now I dont have any for it and its a long long way from needing a fresh set of tires. happy to pay a fair price for them too.
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| Re: [GMCnet] Tires [message #290914 is a reply to message #290912] |
Tue, 24 November 2015 22:36 |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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The OEM wheels for the GMC were 16.5 inch and the early wheels were for bias ply tires and then the radial wheels began with chassis TZE165V101674. You should never run the radial tires on a bias only rim as the rim will fail. The radial rims are marked with the word RADIAL stamped on the rims. 16.5 in tires are getting very difficult to find and buy. Most have gone with the 16 inch aluminum rims and some have found a 16” steel rim that is acceptable.
http://www.gmcmhphotos.com/photos/general-pictures/p45849-markings-on-radial-steel-rims.html
and
http://www.gmcmhphotos.com/photos/general-pictures/p45850-markings-on-radial-steel-rims.html
Any tires that are more than 5 or 6 years old and have cracks I would be looking at new tires. You should ask yourself how much more does it cost to fix body damage over a new set of tires.
JR Wright
GMC Great Laker MHC
GMC Eastern States Charter Member
GMCGL Tech Editor
GMCMI
78 GMC Buskirk 30’ Stretch
1975 GMC Avion (Under Reconstruction)
Michigan
> On Nov 24, 2015, at 10:44 PM, notavailable wrote:
>
> hi Newbie,
>
> Ive read that the OEM 16" steel rims are for bias ply tires only and not radials but Im not sure if that is all 16" rims for all years or only early
> models. hopefully somebody else will chime in and clarify that but Im pretty sure at least some 16" rims must not run radial tires.
>
> if you find you need new rims and tires though, I need an old set with tires that just hold are for rolling a parts project coach around. I had to
> borrow wheels to get this coach home and now I dont have any for it and its a long long way from needing a fresh set of tires. happy to pay a fair
> price for them too.
>
>
>
>
>
>
>
> _______________________________________________
> GMCnet mailing list
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: [GMCnet] Tires [message #290917 is a reply to message #290912] |
Tue, 24 November 2015 22:51 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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I sense some confusion here: The GMC was NEVER equipped with 16" wheels
and tires from the factory! They were all 16.5". The earlier coaches were
fitted with bias ply tires. Later there was a change to radial tires AND
TO SUITABLE RIMS (someone will chime in with the changeover date).
Remember those RIMS! They are marked on the inside with a circled "R". Do
NOT install radials on the earlier rims without that mark.
For various reasons, the best of which now is that 16.5" tires are now
available from only one manufacturer, most GMC's have been fitted with 16"
rims and tires. There are steel 16" rims available, but they're hard to
find in decent condition and only certain ones will clear the front disc
brakes, particularly if the coach has been upgraded to 80mm calipers, as
many have.
The best option is to fit the coach with appropriate aluminum wheels, such
as those available from Applied GMC. That source has had wheels produced
which are HUB CENTERED, as were the OEM wheels. It IS possible to use lug
centered wheels, but not recommended by most of us. Rarely, used Alcoa
aluminum wheels are available, but I believe those are now out of
production (and inventory).
The important thing is that 16" wheels ARE NOT original and the original
16.5" wheels ARE NOT compatible with 16" tires -- and perhaps not with
16.5" radial tires.
And I personally wouldn't drive around the block on 7+ year old tires of
any kind -- and I prefer not more than 5 years old. The body damage done
by a blown tire can easily exceed the cost of a set of wheels and tires --
almost certainly more than the cost of tires alone.
If you MUST move a coach far in advance of buying decent tires, borrow or
rent a set of wheels and tires from an owner for the move.
HTH,
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI & EBL,
Manny Brakes & 1-Ton, etc., etc.
www.gmcwipersetc.com
On Tue, Nov 24, 2015 at 10:44 PM, notavailable wrote:
> hi Newbie,
>
> Ive read that the OEM 16" steel rims are for bias ply tires only and not
> radials but Im not sure if that is all 16" rims for all years or only early
> models. hopefully somebody else will chime in and clarify that but Im
> pretty sure at least some 16" rims must not run radial tires.
>
> if you find you need new rims and tires though, I need an old set with
> tires that just hold are for rolling a parts project coach around. I had to
> borrow wheels to get this coach home and now I dont have any for it and
> its a long long way from needing a fresh set of tires. happy to pay a fair
> price for them too.
>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Tires [message #290919 is a reply to message #290917] |
Tue, 24 November 2015 23:29 |
A Hamilto
Messages: 4508
Registered: April 2011
Karma: 39
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Senior Member |
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Ken Henderson wrote on Tue, 24 November 2015 22:51...The important thing is that 16" wheels ARE NOT original and the original 16.5" wheels ARE NOT compatible with 16" tires -- and perhaps not with 16.5" radial tires. ... To expand a little, the 1978 year model is the only one that has a GVW range that mandates LRE tires, and then only on the front. Since the original poster has a relatively unmolested 1978, he most likely has radial rated rims. If the rims are the ones that came from the factory, the least expensive short term approach is Firestone TransForce HT 16.5" radial light truck tires. $150.02 each, $1050.14 for 7 with free shipping. $20 each for mounting and balancing and it is less than $1200 all in. About what it would cost for 3 or 4 alloy rims and lugnuts, and not one tire.
http://www.amazon.com/Firestone-Transforce-Radial-Tire-8-75R16-5/dp/B002C82FZ6
The other low-cost approach is to find good 16" steel rims that are the right shape, and the timeframe for success in that endeavor ranges from minutes to months. They can be found for $25 - $30 each. Once you have 16" rims, you have more price options for tires.
Alloys will run $3,000 to $4,000 for rims and tires up front. After that initial coronary, a set of 6 tires can be less than $1,000.
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| Re: Tires [message #290930 is a reply to message #290906] |
Wed, 25 November 2015 07:35 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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I got away for a bit less than 2500 for a set of Eagles from Applied and six Cooper 16" LRE tyres. I have a 16" steel spare someone gave me.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: Tires [message #290939 is a reply to message #290930] |
Wed, 25 November 2015 08:26 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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16" GM Dually OEM rims will clear the GMC Motorhome 70mm calipers, but will not clear the owner installed 80mm caliper without some modification to the 80mm caliper. Grinding the "ears" down to clear is not my idea of a great solution.
The 16" Steel wheels are getting hard to find. And, the condition is questionable. Remembering that these rims were used in rather heavy duty service and may not have been treated well. The "basket" shaped rim will clear the front calipers. The "cone" shaped rim, all later years, will not clear the front calipers. They work fine on the rear drums. Would be a PITA, having to change two tires in case of a front tire failure.
You can always put 2 Aluminum rims on the front, to clear the 80mm calipers, and run OEM 16" on the rear drum wheel set. I ran that way for several trips.
I have owned and used several different Steel Wheel part numbers, all used on GM Dually trucks. They all worked.
I now have Eagles, accumulated slowly. Eat the elephant one bite at a time.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Tires [message #290943 is a reply to message #290939] |
Wed, 25 November 2015 09:14 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Compounding the problem of finding suitable steel wheels is the fact that
the OEM 16.5" rims on the GMC were selected to be the best of the
then-current production of wheels for truck use. Most acquiring used
wheels today don't have the option of selecting "the best" -- they must
accept what they can find.
Ken H.
On Wed, Nov 25, 2015 at 9:26 AM, Thomas Phipps wrote:
> 16" GM Dually OEM rims will clear the GMC Motorhome 70mm calipers, but
> will not clear the owner installed 80mm caliper without some modification to
> the 80mm caliper. Grinding the "ears" down to clear is not my idea of a
> great solution.
> The 16" Steel wheels are getting hard to find. And, the condition is
> questionable. Remembering that these rims were used in rather heavy duty
> service and may not have been treated well. The "basket" shaped rim will
> clear the front calipers. The "cone" shaped rim, all later years, will not
> clear the front calipers. They work fine on the rear drums. Would be a
> PITA, having to change two tires in case of a front tire failure.
> You can always put 2 Aluminum rims on the front, to clear the 80mm
> calipers, and run OEM 16" on the rear drum wheel set. I ran that way for
> several
> trips.
> I have owned and used several different Steel Wheel part numbers, all used
> on GM Dually trucks. They all worked.
> I now have Eagles, accumulated slowly. Eat the elephant one bite at a
> time.
> Tom, MS II
>
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Tires [message #290960 is a reply to message #290943] |
Wed, 25 November 2015 12:03 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Forgot to mention, you can use the 16" cone shaped GM OEM rims, if you use spacers on the front wheels, even with 80mm calipers. I borrowed a set of spacers and tested this theory. However, the spacers are not cheap, and I still think you would be best served with Alcoas, or American Eagles.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Tires [message #290986 is a reply to message #290960] |
Wed, 25 November 2015 21:40 |
Barnell
Messages: 16
Registered: August 2015
Location: Mcdonough, GA
Karma: 0
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Thanks to all of the responses. I really appreciate all of your kindness. I have been on a couple of days and feel like family. The Firestone tires sounds like the best idea so I can keep original. I hope all of you have a good Thanksgiving.
Barnell, Mcdonough, GA
1978 Royale, rear bath 26'
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| Re: [GMCnet] Tires [message #291019 is a reply to message #290986] |
Thu, 26 November 2015 15:01 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Going with the new 16.5" Firestone tire is a good solution. The main thing is to get your GMC safe (stopping and going), then functional (living space) then as you want it. The Firestone's will give you many years of excellent service and you can upgrade at your convenience.
16" Steel Wheels do show up on the swap meet, you just have to wait for them. Craig's List is also an excellent source, just be sure that they are from a GMC and the center baskets are not cone shaped. The Ford and Dodge rims that show up are not hub centered and may not be a good choice. The center hole in a correct GMC rim is 4.567", easy enough to remember.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Tires [message #291325 is a reply to message #291047] |
Tue, 01 December 2015 17:36 |
Barnell
Messages: 16
Registered: August 2015
Location: Mcdonough, GA
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Has anyone had experience with 10 ply bias ply versus the radial? I found another Power King 10 ply with 2680 pound rating. Any response is appreciated.
Barnell, Mcdonough, GA
1978 Royale, rear bath 26'
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| Re: [GMCnet] Tires [message #291328 is a reply to message #291325] |
Tue, 01 December 2015 18:15 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
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I wonder what they were designed to be used on? Sounds like a heavy duty trailer tire. I'm willing to bet that you will not find a single coach, at the Spring International Rally, equipped with a bias ply tire, even as a spare. I'll buy lunch in Dothan if you can find one so equipped.
I would not be amongst the first to do this experiment. Very happy with Eagles and poly wall Steel Radials.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Tires [message #291330 is a reply to message #291325] |
Tue, 01 December 2015 18:14 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Bias belted tires generally ast for 20,000 miles , but if your going to not
put on much during the next 5 years, then it might work.
Radial tires have lower rolling resistance and available .
I think you have the 16.5, not 16.
On Tue, Dec 1, 2015 at 3:36 PM, Travis Barnell
wrote:
> Has anyone had experience with 10 ply bias ply versus the radial? I found
> another Power King 10 ply with 2680 pound rating. Any response is
> appreciated.
> --
> Barnell, Mcdonough, GA
> 1978 Royale, rear bath 26'
>
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Tires [message #291335 is a reply to message #291328] |
Tue, 01 December 2015 19:10 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Tom,
Here's a link to the tires Travis is talking about:
http://www.powerkingtires.com/Tires/Highway/Bias%20Light%20Truck/1612
Article No: WLD 75
Regards,
Rob M.
The Pedantic Mechanic
-----Original Message-----
From: Thomas Phipps
I wonder what they were designed to be used on? Sounds like a heavy duty trailer tire. I'm willing to bet that you will not find a
single coach, at
the Spring International Rally, equipped with a bias ply tire, even as a spare. I'll buy lunch in Dothan if you can find one so
equipped.
I would not be amongst the first to do this experiment. Very happy with Eagles and poly wall Steel Radials.
Tom, MS II
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Tires [message #291336 is a reply to message #291335] |
Tue, 01 December 2015 19:25 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Nylon cord tires will give you a "Nylon Thump" until it warms up.
Firestone makes the 16.5 tires with load range E.
I will side with Tom P on the bet.
Those Bias Belted tires are for trailers.
On Tue, Dec 1, 2015 at 5:10 PM, Robert Mueller
wrote:
> Tom,
>
> Here's a link to the tires Travis is talking about:
>
> http://www.powerkingtires.com/Tires/Highway/Bias%20Light%20Truck/1612
>
> Article No: WLD 75
>
> Regards,
> Rob M.
> The Pedantic Mechanic
>
>
> -----Original Message-----
> From: Thomas Phipps
>
> I wonder what they were designed to be used on? Sounds like a heavy duty
> trailer tire. I'm willing to bet that you will not find a
> single coach, at
> the Spring International Rally, equipped with a bias ply tire, even as a
> spare. I'll buy lunch in Dothan if you can find one so
> equipped.
> I would not be amongst the first to do this experiment. Very happy with
> Eagles and poly wall Steel Radials.
> Tom, MS II
>
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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