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| [GMCnet] Still trying to solve the tire and rim situation [message #146493] |
Fri, 14 October 2011 11:56  |
Eden Weiss
Messages: 21
Registered: June 2011
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I came across a 1985 1 ton Chevy Crew Cab Dually in the bone yard.
Everything is shot except the wheels (thats what I need). The old timer in
the yard said that the backs are the identical part as the fronts, there
just turned around.
I assume the ones for the front will work no problem from all of the reading
I have done.
I do wish that there was some total fitment guide for all the possible
choices for our coaches. I want the Alcoa just don't have 3K. I just
refuse to spend money on 16.5 crappers.
SO:
#1) Is this true
#2) Are the ones that are used for our coaches stamped so I am sure that
they will work before I buy them?
Any help would be great as everyone always has.....
--
Eden G. Weiss
1976 GMC Palm Beach
edengweiss@gmail.com
cell- 203-887-7771
work cell 860-921-7391
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146497 is a reply to message #146493] |
Fri, 14 October 2011 12:32  |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Eden, first of all, there is a different contour to the front steel wheels.
The salvage yard man does not know or perhaps understand the differences.
Yes the wheels are stamped with ID info. You can find it on the inside of
the wheel next to the welds that hold the rim to the wheel center. The words
to look for are Radial, and the load rating. This should be 2440 or higher.
After you select the wheels, mount them on a front spindle without tires and
place a pointer next to, but not quite touching the bead flange where the
tire bead mounts. Slowly turn the wheel by hand and watch your pointer. Try
to select wheels that run true. If the wheel passes this test, move the
pointer to the outside of the wheel and check for wobble. None is
acceptable. You might have to go through a lot of wheels in order to get 7
good ones. Once you get to that stage, then talk about buying them, not
before.
Jim Hupy
Salem, OR
78 GMC Royale 403
On Fri, Oct 14, 2011 at 9:56 AM, Eden Weiss <edengweiss@gmail.com> wrote:
> I came across a 1985 1 ton Chevy Crew Cab Dually in the bone yard.
> Everything is shot except the wheels (thats what I need). The old timer
> in
> the yard said that the backs are the identical part as the fronts, there
> just turned around.
> I assume the ones for the front will work no problem from all of the
> reading
> I have done.
>
> I do wish that there was some total fitment guide for all the possible
> choices for our coaches. I want the Alcoa just don't have 3K. I just
> refuse to spend money on 16.5 crappers.
>
> SO:
> #1) Is this true
> #2) Are the ones that are used for our coaches stamped so I am sure that
> they will work before I buy them?
>
>
> Any help would be great as everyone always has.....
>
> --
> Eden G. Weiss
> 1976 GMC Palm Beach
> edengweiss@gmail.com
> cell- 203-887-7771
> work cell 860-921-7391
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146498 is a reply to message #146493] |
Fri, 14 October 2011 12:35 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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| Eden Weiss wrote on Fri, 14 October 2011 09:56 |
The old timer in
the yard said that the backs are the identical part as the fronts, there
just turned around.
SO:
#1) Is this true
#2) Are the ones that are used for our coaches stamped so I am sure that
they will work before I buy them?
Any help would be great as everyone always has.....
--
Eden G. Weiss
1976 GMC Palm Beach
edengweiss@gmail.com
cell- 203-887-7771
work cell 860-921-7391
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Yes, the rear wheels on a dual wheel pick-up are identical to the front wheels. All six wheels (plus the spare) are the same.
Here are a couple of pics from the photo site listing the part number:
<http://www.gmcmhphotos.com/photos/showphoto.php?photo=33288&title=16-inch-firestone-p-2fn-27994-steel-wheels&cat=500>
<http://www.gmcmhphotos.com/photos/showphoto.php?photo=31050&title=16-26quot-3b-steel-wheels&cat=5285>
If the wheels you are looking at have the "domed" centers, they will work. They will also have the Firestone part number (27994) stamped on the inside of the back of the rim as shown.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146510 is a reply to message #146501] |
Fri, 14 October 2011 17:25 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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CB,
You have mentioned the 'Chinese' wheels a few times, I note it is always in quotation marks and I was wondering why.
Also I don't recall you having mentioned where you got them or any part numbers.
It would a great help to the people that are looking for 16" steel wheels if you could provide additional details.
If you have already done so and I missed it I apologize for troubling you.
Regards,
Rob M.
-----Original Message-----
From: Charles Wood
If that's 80mm calipers,either a little grinding of the body of the calipers or a thin spacer and hub extender or a 2" or 4" spacer
is needed. I did the first one, the thicker spacers will also work, JimK has them.
I have both the salvage and the 'Chinese' one's on my coach.
The one's that dont work are the 'CONE' shaped ones vice the 'DOME' shaped ones.
you can see the difference here..Dome on coach, cone beside.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=39208&title=sam-0067&cat=500
CBWood
77 Kingslay
MWC OK
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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] Still trying to solve the tire and rim situation [message #146520 is a reply to message #146493] |
Fri, 14 October 2011 18:47 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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Here is a pic I just added of one of the 16" steel wheels that was on my coach when I acquired it. These wheels appeared to be new and were installed during the P.O.'s ownership (~2002 2008). I got rid of these last year, traded them, when I got a deal on a set of nearly new Eagles (originally from Jim K.) and BFG tires from a local GMC friend.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=41110
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146538 is a reply to message #146532] |
Fri, 14 October 2011 20:27 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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G'day,
Reference Maintenance Manual: X-7625, Section: 10 Wheels and Tires, Page: 10-1, Paragraph: Wheel Replacement
When replacing wheels for any reason, the replacement wheels should be equivalent in load capacity, inflation pressure capacity,
diameter, width, offset and mounting consideration to those originally installed on the vehicle. Be sure the word "RADIAL" is
stamped on the rim.
Regards,
Rob
-----Original Message-----
From: A.
Food for thought. It has been posted here to only buy rims made for radial tires. I have never heard that anywhere else. Back
when radial tires where becoming popular, everyone I know just took their bias ply tires off and put radials on without any thought.
I never heard of a wheel failure because of that. Since radial tires soften road impacts on the rims MUCH better than bias ply
tires, I can't figure out why they would not be SAFER on rims manufactured before radial tires became mainstream. I would be more
worried about putting a non-radial on a radial rim than the other way around. Maybe someone that knows can enlighten us.
--
'73 23' CanyonLands
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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] Still trying to solve the tire and rim situation [message #146542 is a reply to message #146538] |
Fri, 14 October 2011 20:46 |
A Hamilto
Messages: 4508
Registered: April 2011
Karma: 39
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Senior Member |
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| Robert Mueller wrote on Fri, 14 October 2011 20:27 |
G'day,
Reference Maintenance Manual: X-7625, Section: 10 Wheels and Tires, Page: 10-1, Paragraph: Wheel Replacement
When replacing wheels for any reason, the replacement wheels should be equivalent in load capacity, inflation pressure capacity,
diameter, width, offset and mounting consideration to those originally installed on the vehicle. Be sure the word "RADIAL" is
stamped on the rim.
Regards,
Rob
|
Thanks Rob. But that is not the technical explanation I am looking for.
There is a story about a woman who always cut one end off a roast before putting it in the oven. When asked why, she said that was the way her mother always did it. When her mother was asked why she always cut one end off a roast before baking it, her mother said, "they were always too big for my pan".
Are we going to ignorantly cut one end off the roast forever, even on those occasions when the pan is big enough to hold it without cutting any off?
What is the reason the manual says to use radials only on rims that are made for radials when the stresses are such that a non-radial rim will easily accomodate them? Perhaps radials grip the road better and side loads in hard turns are high enough to bend them. Inquiring minds want to know.
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146543 is a reply to message #146540] |
Fri, 14 October 2011 20:48 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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The reason that one should only use radial wheels with radial tires is due to the construction of the wheel. The flexing of radial tires can cause NON-radial wheels to crack.
In 1976 GM issued a Dealer Service Bulletin 77-IM-1 entitled "Use of Radial/Ply Tires on GMC Motorhomes (All Models)"
In the bulletin they said:
TheGMCpolicyregardingtheuseofradial-plytiresisasfollows:AllGMCMotorhomes,startingwithSerialNo.TZE165V101674,areequippedwithWheelPartNo.359402.Thiswhee lisdesignedtoaccepttheloadsimposedbyradial-plyandbias-plytiresandisstampedwiththeword "Radial"ontheinnerrimofeachwheel.
AGMCownermayathiselectioninstallradial-plytiresonvehiclesbuiltafterthesubjectserialnumberorpurchasesevenwheelsofthecorrectpartnumberforinstallationono ldermodels.However,dealersand/orzoneservicepersonnelshouldmakeitcleartotheownerthatGMCassumesnofurtherresponsibilityforrideandhandlingcomplaintswhichr esultfromtheoperationofthemotorhomewithradial-plytiresotherthantheGeneralJumboSteelBeltedRadialoritsequivalent.
Undernocircumstancesshouldradial-plytiresbeinstalledontheformerstylewheels.
Emery Stora
On Oct 14, 2011, at 7:28 PM, D C *Mac* Macdonald wrote:
>
> I seem to remember something about rims made for radial tires
> having a different shoulder that would retain the tire on the
> rim if inflation were lost.
>
> However, that may have been the difference between rims made
> for tubeless tires instead of tires that MUST have tubes.
>
> Memory is a terrible thing to lose!
>
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ~~ ~ D C "Mac" Macdonald ~ ~~
> ~ ~ Amateur Radio - K2GKK ~ ~
> ~ ~ USAF and FAA, Retired ~ ~
> ~ ~ ~ Oklahoma City, OK ~ ~ ~
> ~~ ~ ~ "The Money Pit" ~ ~ ~~
> ~ ~ ~ ex-Palm Beach, 76 ~ ~ ~
> ~ www.gmcmhphotos.com/okclb ~
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
>
>
> PARTIAL QUOTED MESSAGE FOLLOWS
>
>
>
>> To: gmclist@temp.gmcnet.org
>> From: markbb1@netzero.com
>> Date: Fri, 14 Oct 2011 19:45:48 -0500
>> Subject: Re: [GMCnet] Still trying to solve the tire and rim situation
>>
>>
>> Food for thought. It has been posted here to only buy rims made for radial tires. I have never heard that anywhere else. Back when radial tires where becoming popular, everyone I know just took their bias ply tires off and put radials on without any thought. I never heard of a wheel failure because of that. Since radial tires soften road impacts on the rims MUCH better than bias ply tires, I can't figure out why they would not be SAFER on rims manufactured before radial tires became mainstream. I would be more worried about putting a non-radial on a radial rim than the other way around. Maybe someone that knows can enlighten us.
>> --
>> '73 23' CanyonLands
>
> _______________________________________________
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> Unsubscribe or Change List Options:
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Emery Stora
77 Kingsley
Santa Fe, NM
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146544 is a reply to message #146542] |
Fri, 14 October 2011 20:51 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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On Oct 14, 2011, at 7:46 PM, A. wrote:
>
>
> Robert Mueller wrote on Fri, 14 October 2011 20:27
>> G'day,
>>
>> Reference Maintenance Manual: X-7625, Section: 10 Wheels and Tires, Page: 10-1, Paragraph: Wheel Replacement
>>
>> When replacing wheels for any reason, the replacement wheels should be equivalent in load capacity, inflation pressure capacity,
>> diameter, width, offset and mounting consideration to those originally installed on the vehicle. Be sure the word "RADIAL" is
>> stamped on the rim.
>>
>> Regards,
>> Rob
> Thanks Rob. But that is not the technical explanation I am looking for.
> There is a story about a woman who always cut one end off a roast before putting it in the oven. When asked why, she said that was the way her mother always did it. When her mother was asked why she always cut one end off a roast before baking it, her mother said, "they were always too big for my pan".
> Are we going to ignorantly cut one end off the roast forever, even on those occasions when the pan is big enough to hold it without cutting any off?
> What is the reason the manual says to use radials only on rims that are made for radials when the stresses are such that a non-radial rim will easily accomodate them?
WHERE DID YOU GET THAT INFORMATION?
The accepted knowledge is that the NON-radial rims will NOT stand the stresses caused by a radial tire.
Please check out the information about the GM dealer bulletin that I had just posted in another email.
Emery Stora
> Perhaps radials grip the road better and side loads in hard turns are high enough to bend them. Inquiring minds want to know.
> --
> '73 23' CanyonLands
Emery Stora
77 Kingsley
Santa Fe, NM
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146546 is a reply to message #146544] |
Fri, 14 October 2011 21:02 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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Additional information for "A."
GM also had a Federally Mandated Recall, Number 74-C-06 dated Feb. 1974.
Part of it reads:
--------------------
Models 1973-74 ZE0 50000
GMC Truck and Coach has determined that the wheels on the GMC Motor Home are not compatible with radial tires. Although radial tires were not offered as either original or optional equipment, some owners may have replaced the original equipment bias ply tires with radial tires consistent with the operating Manual. Operation with a radial tire causes excessive stresses on the wheels and may cause the wheel to crack. A cracked wheel may result in sudden loss of tire pressure. Should this occur, the driver could lose steering control, and a vehicle crash without prior warning could occur. To correct this condition, all wheels that have radial tires mounted on them must be replaced.
---------------------
There is additional information in the Recall Bulletin but I will not attempt to type it all here.
Emery Stora
77 Kingsley
Santa Fe, NM
On Oct 14, 2011, at 7:51 PM, Emery Stora wrote:
>
> On Oct 14, 2011, at 7:46 PM, A. wrote:
>
>>
>>
>> Robert Mueller wrote on Fri, 14 October 2011 20:27
>>> G'day,
>>>
>>> Reference Maintenance Manual: X-7625, Section: 10 Wheels and Tires, Page: 10-1, Paragraph: Wheel Replacement
>>>
>>> When replacing wheels for any reason, the replacement wheels should be equivalent in load capacity, inflation pressure capacity,
>>> diameter, width, offset and mounting consideration to those originally installed on the vehicle. Be sure the word "RADIAL" is
>>> stamped on the rim.
>>>
>>> Regards,
>>> Rob
>> Thanks Rob. But that is not the technical explanation I am looking for.
>> There is a story about a woman who always cut one end off a roast before putting it in the oven. When asked why, she said that was the way her mother always did it. When her mother was asked why she always cut one end off a roast before baking it, her mother said, "they were always too big for my pan".
>> Are we going to ignorantly cut one end off the roast forever, even on those occasions when the pan is big enough to hold it without cutting any off?
>> What is the reason the manual says to use radials only on rims that are made for radials when the stresses are such that a non-radial rim will easily accomodate them?
>
> WHERE DID YOU GET THAT INFORMATION?
> The accepted knowledge is that the NON-radial rims will NOT stand the stresses caused by a radial tire.
>
> Please check out the information about the GM dealer bulletin that I had just posted in another email.
>
> Emery Stora
>
>> Perhaps radials grip the road better and side loads in hard turns are high enough to bend them. Inquiring minds want to know.
>> --
>> '73 23' CanyonLands
>
> Emery Stora
> 77 Kingsley
> Santa Fe, NM
>
>
> _______________________________________________
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> Unsubscribe or Change List Options:
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| Re: [GMCnet] Still trying to solve the tire and rim situation [message #146564 is a reply to message #146556] |
Fri, 14 October 2011 23:32 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| ahamilto wrote on Fri, 14 October 2011 19:52 |
... I have 7 each 16" rims, supposedly off a 1988 Ford dually, I just need to mount LT225/75R16 tires on them and put them on the GMC.
|
Rims that fit a Ford will bolt on the GMC but have a larger pilot hole than the GMC. You'll need to be able to center the rim on the hub. If they are normal steel dually rims that use flat (or swivel) lug nuts... this will be a problem.
Test fit now and be sure you have a plan before buying and mounting tires. -- JMHO
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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