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| Re: [GMCnet] Belts (again, and again, etc) [message #192149 is a reply to message #192124] |
Mon, 03 December 2012 20:30   |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Rob,
The whole belt problem revolves around the missing row in your table:
15/32 0.4688 11.9063
"Cause the old number were of the format
15XYZ, for a 15/32" inch wide belt XY.Z" long.
Now the manufacturers are cheating on the 15.
If there was really any chance of finding good belts, we should be using,
not a 10 mm, but an 11 mm Go/No Go.
Ken H.
On Mon, Dec 3, 2012 at 6:34 PM, Rob Mueller wrote:
> ...
> Here's measurements out of a conversion table:
>
> Fraction Decimal Millimeters
>
> 13/32 0.4063 10.3188
>
> 27/64 0.4219 10.7156
>
> 7/16 0.4375 11.1125
>
>
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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] Belts (again, and again, etc) [message #192156 is a reply to message #192062] |
Mon, 03 December 2012 21:33 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Senior Member |
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No, no, no! What I said was we're not measuring the belts correctly. I
called Dayco and complained that their website claimed 7/16" belts, but they
didn't pass our wrench test.
He replied that we weren't measuring correctly. Set a machinist's
protractor at 38 degrees, drop the belt in it and lay the scale across the
back of the belt. He was right!
So, I only use Dayco belts. I like them because they made most of the GM
belts and I'm a GM parts junky. So there!
Gary Kosier
77 PB Cad 500 w/Dayco belts
Newark, Oh
-----Original Message-----
From: Steve Southworth
Sent: Monday, December 03, 2012 12:22 PM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Belts (again, and again, etc)
I've gotten to the point in my "replace all rubber" project where new belts
are now on the "get" list. Has there been any new information since this
thread from about a year ago?:
http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&th=20048&prevloaded=1&rid=0&start=20
or any new info since the last update on Gene's Motorhome info site?:
http://gmcmotorhome.info/BELTS.html
Gary Kosier also posted that it appeared Dayco had gone to the dark (narrow)
side.
So any new info or updates or are we just stuck trying to work with the
narrow belts?
--
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: [GMCnet] Belts (again, and again, etc) [message #192161 is a reply to message #192156] |
Mon, 03 December 2012 22:23 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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Or look how they ride in the pulleys
Gene
FREE WIFI @ Mickey D
On Dec 3, 2012, at 7:33 PM, "Kosier" <gkosier@roadrunner.com> wrote:
> No, no, no! What I said was we're not measuring the belts correctly. I
> called Dayco and complained that their website claimed 7/16" belts, but they
> didn't pass our wrench test.
> He replied that we weren't measuring correctly. Set a machinist's
> protractor at 38 degrees, drop the belt in it and lay the scale across the
> back of the belt. He was right!
> So, I only use Dayco belts. I like them because they made most of the GM
> belts and I'm a GM parts junky. So there!
>
> Gary Kosier
> 77 PB Cad 500 w/Dayco belts
> Newark, Oh
>
> -----Original Message-----
> From: Steve Southworth
> Sent: Monday, December 03, 2012 12:22 PM
> To: gmclist@temp.gmcnet.org
> Subject: [GMCnet] Belts (again, and again, etc)
>
>
>
> I've gotten to the point in my "replace all rubber" project where new belts
> are now on the "get" list. Has there been any new information since this
> thread from about a year ago?:
>
> http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&th=20048&prevloaded=1&rid=0&start=20
>
> or any new info since the last update on Gene's Motorhome info site?:
>
> http://gmcmotorhome.info/BELTS.html
>
>
> Gary Kosier also posted that it appeared Dayco had gone to the dark (narrow)
> side.
>
> So any new info or updates or are we just stuck trying to work with the
> narrow belts?
> --
> Steve Southworth
> 1974 Glacier TZE064V100150 (for workin on)
> 1975 Transmode TZE365V100394 (parts & spares)
> Palmyra WI
> _______________________________________________
> GMCnet mailing list
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| Re: Belts (again, and again, etc) [message #192228 is a reply to message #192154] |
Tue, 04 December 2012 17:25 |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
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Senior Member |
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| Jim Galbavy wrote on Mon, 03 December 2012 21:21 |
Steve,
By asking for "the approved sizes" you are assuming that all engines have the same pulleys that they came out of the factory almost 40 years ago.
Jim galbavy
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Nope - I was asking about the width and I should have stated that.
Based on Gary Kosier's clarification I'll be looking for Dayco in the lengths I'll need.
As far as length there even seems there might be variance in length on stock GMC depending on year. (note that I am not sure enough to state this as a fact.)
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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