 Hub measurement for 16" steel wheels [message #227766] |
Wed, 30 October 2013 14:56  |
Lightfoot
Messages: 22
Registered: October 2013
Location: Southeast USA
Karma: 0
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Junior Member |
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Hey GMC think tank.
Trying to get 16" steel wheels that fit correctly.
I am away from the coach.-working out of town and came across a set of 16" wheels from a 93 Chevy 3500.
From reading some previous post it seems that these wheels have room for brakes etc., but that the hub size on the GMC is possibly smaller than these wheels.
I read that the GMC wheels should rest on the hubs.(hub piloted)
- I want to match up the hole on the wheels to know if these will fit the coach.
So-
Can anyone tell me the measurement of the hub on the axles that "pilots" the wheels?
Thanks
Chris Lightfoot
Working with a '73 palm beach.
Mary Esther FL
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| Re: Hub measurement for 16" steel wheels [message #227810 is a reply to message #227776] |
Wed, 30 October 2013 18:38  |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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If they are cone shaped as opposed to dome shaped they will not fit. 1993 year model should be cone shaped.
Photos of the correct shape are on the photo site. Search there.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Hub measurement for 16" steel wheels [message #227854 is a reply to message #227766] |
Thu, 31 October 2013 07:09 |
Jim Bounds
Messages: 842
Registered: January 2004
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Senior Member |
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The pilot hole in our original rim-hub arrangement is 116mm. It must be a pre 1989 rim because GM made the pilot hole a slight bit larger then. Also, the spider of the rim needs to be "bell shaped". Later rims have cone shaped spiders which will not clear our 16.5" drums. Some have used spacers, that's bad Juju! To my knowledge-- and I would love to be proved wrong--- there are no steel rims that will correctly hub center on our coach. Like I said I sure would like to know of one but even many aftermarket aluminum rims will not fit even being lug centric. The American eagle rims that Jim K. has custom made by them will. Yes, they have a 116mm spacer for their rims but it's plastic. They theory is the spacer holds the rim centered until the lug center shoulder style lug nuts tighten down, they say that works-- in my opinion the rims Jim K. have with the slightly resized centerbore is the right way. Also, supporting his efforts to have
a rim that really fits right is also something we all should support. The now gone Alsoa 1602-31 rim used to cost us @ $350 per rim after you got the special lug nuts, center cap and lug covers, the Eagle rim is $240 I think per rim, you are saving $ on what we used to have to buy AND supporting his efforts to give us a really proper fitting rim-- I see this as one of those win/wins you should support.
Yea, I like different looking thingsd but in this case-- really-- it's important to have a rim that fits right. I even tried 17" rims that will clear the hub but they are still a lug center system which may work but is simply not as reliable for load bearing. Thats what I know to be the whole story. Are there any other things you folks have run into?
Jim Bounds
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________________________________
From: Chris lightfoot <Clightfoot09@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Wednesday, October 30, 2013 3:56 PM
Subject: [GMCnet] Hub measurement for 16" steel wheels
Hey GMC think tank.
Trying to get 16" steel wheels that fit correctly.
I am away from the coach.-working out of town and came across a set of 16" wheels from a 93 Chevy 3500.
From reading some previous post it seems that these wheels have room for brakes etc., but that the hub size on the GMC is possibly smaller than these wheels.
I read that the GMC wheels should rest on the hubs.(hub piloted)
- I want to match up the hole on the wheels to know if these will fit the coach.
So-
Can anyone tell me the measurement of the hub on the axles that "pilots" the wheels?
Thanks
--
Chris Lightfoot
New GMC enthusiast working with a '73 palm beach.
Talladega AL
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| Re: Hub measurement for 16" steel wheels [message #227866 is a reply to message #227766] |
Thu, 31 October 2013 09:02 |
kerry pinkerton
Messages: 2565
Registered: July 2012
Location: Harvest, Al
Karma: 15
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Hi Chris, It was good to meet you and your friends at the Gadsden rally. We're looking forward to following your progress.
As far as I have been able to determine, you are going to want PRE-92 GM Dually wheels. In 92, GM went with the metric wheel which is subtlety different.
Kerry Pinkerton - North Alabama
Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L
[Updated on: Thu, 31 October 2013 09:03] Report message to a moderator |
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| Re: [GMCnet] Hub measurement for 16" steel wheels [message #227869 is a reply to message #227810] |
Thu, 31 October 2013 09:07 |
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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 photos you sent me:
http://www.gmcmhphotos.com/photos/member-galleries/p33286-16-inch-firestone-p-n.html
http://www.gmcmhphotos.com/photos/member-galleries/p33287-16-inch-firestone-p-n-27994-steel-wheels.html
http://www.gmcmhphotos.com/photos/member-galleries/p33288-16-inch-firestone-p-n-27994-steel-wheels.html
Regards,
Rob M.
The Pedantic Mechanic
USAussie - Downunder
USA '75 Avion - Double Trouble TZE365V100426
AUS '75 Avion - The Blue Streak TZE365V100428
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Thomas Phipps
Sent: Wednesday, October 30, 2013 6:38 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Hub measurement for 16" steel wheels
If they are cone shaped as opposed to dome shaped they will not fit. 1993 year model should be cone shaped.
Photos of the correct shape are on the photo site. Search there.
Tom, MS II
--
1975 GMC Avion, under forever re-construction
Vicksburg, MS. 3.7 miles from I-20
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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: Hub measurement for 16" steel wheels [message #227892 is a reply to message #227766] |
Thu, 31 October 2013 11:11 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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| Lightfoot wrote on Wed, 30 October 2013 15:56 |
Hey GMC think tank.
Trying to get 16" steel wheels that fit correctly.
Thanks
|
Chris,
I have been slugging away getting computers back on line and have been time limited for hunting up things on lost drives, but I found:
Size 16x6
Circle - 8 - 6.5"
Bolt hole dia .670
Hub bore dia. 4.567
Backspace 8.150
Offset 5.150
Wheel load pounds 2780
Max inflation 95
Fits Chevy 3500
359402 is the original GM part number
They were used on a lot of GM trucks - Here are a few of them:
Pre 1976 may not be suitable for radial tires.
All C/P/G300 Dual 76'-00'
1 Ton P3500 Dual 76'-00
1 Ton P30 Dual 76'-00'
1 Ton K3500 4x4, Dual 76'-87'
1 Ton K30 4x4, Dual 76'-00'
1 Ton K3500 4x4, Dual 88'-00'
1 Ton G30 Dual 76'-00'
1 Ton C30 4x2, C3500 Dual 88'-00'
It had both a Hollender and Southwest numbers that I snce found were wrong.
They have to be the round spider (like the coach has) and not the conical. You will see what I mean if you find one.
In the course of three years, I purchased 16 used steel wheels. 13 of those were salvageable. I am still sitting on the seven that I will use to change to 225x16 starting next spring.
You can find them if you hunt. Then, you can take them to a shop that "reconditions" tuck wheels and they will blast and powder coat them for about 40$ each (still cheaper than trying to clean and paint them yourself.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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