Home » Public Forums » GMCnet » [GMCnet] Got Double Trouble weighed at a CAT Scale
| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #181845 is a reply to message #181838] |
Sun, 26 August 2012 11:42   |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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tis here
page 3
http://www.gmcmi.com/mem-bers/Newsletters/114.pdf
gene
On Sun, Aug 26, 2012 at 9:02 AM, Dolph Santorine
<dolph@dolphsantorine.com>wrote:
> Fisher's rule?
>
> Is that no matter what you do, you get 8-10 miles per gallon?
>
> Dolph
>
>
>
> On Aug 26, 2012, at 11:47 AM, Rob Mueller wrote:
>
> > Dolph,
> >
> > Good point(s)!
> >
> > Water - full 40 gal under passenger side bed directly behind wheel well
> inboard of LPG 40 x 8 = 320 lb
> >
> > LPG - 3/4 full - IIRC the tank holds 16 gallons full so I had 12 gallons
> X 4.11 = 49.3 lb
> >
> > Gas - I had filled up 78 miles prior to being weighed using Fisher's
> Rule of GMC gas consumption I would have 40 gallons on board
> > (40 X 6.073 = 242.92 lb
> >
> > Regards,
> > Rob M.
> >
> >
> > -----Original Message-----
> > From: Dolph Santorine
> >
> > Rob:
> >
> > Water tank status?
> >
> > Fuel status?
> >
> > Just curious. Those two could account for a lot of the 12,540.
> >
> > Dolph
> >
> >
> > _______________________________________________
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--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
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Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #181851 is a reply to message #181757] |
Sun, 26 August 2012 12:33 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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Questions for the GMC Brain Trust:
1) Did GMC actually do anything to the suspension system to up the GAWR and GVWR or just "pencil whip it?"
>
>
Rob,
I am assembling some details on the 4 different GVWs used over the 6 years of production which will take me a little while (we have company and they are distracting me).
I can tell this much now:
I was told by one of the original Engineers that one of the increases was a "paper" change made per Kurdt Stubenvoll, the others resulted from changes in the product.
The 4 different vintage parts books, Jan.1973 - 78Z show the same torsion bar part numbers for all years.
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #181853 is a reply to message #181851] |
Sun, 26 August 2012 12:52 |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Bill,
Thanks for the info!
Mr. Read The Manual here never thought of checking the parts book for the torsion bars, DOUH!
AFAIC that's the key point.
My '75 Avion is rated at a GVWR of 11,700 lb the max was 12,500. I'll wager dollars to donuts I'm OK at 12,675 as the engineers
would have built in a safety factor.
Regards,
Rob M.
-----Original Message-----
From: Bill Bryant
Questions for the GMC Brain Trust:
1) Did GMC actually do anything to the suspension system to up the GAWR and GVWR or just "pencil whip it?"
Rob,
I am assembling some details on the 4 different GVWs used over the 6 years of production which will take me a little while (we have
company and they are distracting me).
I can tell this much now:
I was told by one of the original Engineers that one of the increases was a "paper" change made per Kurdt Stubenvoll, the others
resulted from changes in the product.
The 4 different vintage parts books, Jan.1973 - 78Z show the same torsion bar part numbers for all years.
--
Bill
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GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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] Got Double Trouble weighed at a CAT Scale [message #182015 is a reply to message #181853] |
Mon, 27 August 2012 19:07 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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-----Original Message-----
From: Bill Bryant
Questions for the GMC Brain Trust:
1) Did GMC actually do anything to the suspension system to up the GAWR and GVWR or just "pencil whip it?"
Rob,
I am assembling some details on the 4 different GVWs used over the 6 years of production which will take me a little while (we have
company and they are distracting me).
I can tell this much now:
I was told by one of the original Engineers that one of the increases was a "paper" change made per Kurdt Stubenvoll, the others
resulted from changes in the product.
The 4 different vintage parts books, Jan.1973 - 78Z show the same torsion bar part numbers for all years.
--
Bill
>
>
I decided to consolidate some of the detail, sufficient for the posed question.
GVWs
1973 = 10,500
1973 late = 11,200
1975 = 11,700
1978 = 12,500
There were MANY changes spread throughout the production period, here are a few of those that likely apply to the GVW changes.
1973
Rear brakes, backing plate, spindle & bearings
front shocks and again in 1977
Frame: Except for the side rails, all sections of the frame were changed at least once (1973 & ~75)
Rear control arms, once for 1 1/4" bushings, once for 1 1/2" pins
Front lower control arms changed 3 times.
Radial tires & wheels @ 5V101674
Body structure changed @ 6V100878 (body was part of frame/body load support design)
frame front diagnal braces added 5V100542
As noted earlier, the same P/N torsion bar was used from
1973 through 1978.
There is probably more, but this should do for now.
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
[Updated on: Mon, 27 August 2012 19:24] Report message to a moderator |
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182042 is a reply to message #182015] |
Mon, 27 August 2012 21:47 |
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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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Bill,
Thanks!
Regards,
Rob M.
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Bill Bryant
Sent: Monday, August 27, 2012 6:08 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Got Double Trouble weighed at a CAT Scale
-----Original Message-----
From: Bill Bryant
Questions for the GMC Brain Trust:
1) Did GMC actually do anything to the suspension system to up the GAWR and GVWR or just "pencil whip it?"
Rob,
I am assembling some details on the 4 different GVWs used over the 6 years of production which will take me a little while (we have
company and they are distracting me).
I can tell this much now:
I was told by one of the original Engineers that one of the increases was a "paper" change made per Kurdt Stubenvoll, the others
resulted from changes in the product.
The 4 different vintage parts books, Jan.1973 - 78Z show the same torsion bar part numbers for all years.
--
Bill
>
>
I decided to consolidate some of the detail, sufficient for the posed question.
GVWs
1973 = 10,500
1973 late = 11,200
1975 = 11,700
1978 = 12,500
There were MANY changes spread throughout the production period, here are a few of those that likely apply to the GVW changes.
1973
Rear brakes, backing plate, spindle & bearings
front shocks and again in 1977
Frame: Except for the side rails, all sections of the frame were changed at least once (1973 & ~75)
Rear control arms, once for 1 1/4" bushings, once for 1 1/2" pins
Front lower control arms changed 3 times.
Radial tires & wheels @ 5V101674
Body structure changed @ 6V100878 (body was part of frame/body load support design)
As noted earlier, the same P/N torsion bar was used from
1973 through 1978.
There is probably more, but this should do for now.
--
Bill Bryant
1976~PB
1914 Ford
1965 Corvette
GMC MH History CD
GMC Showroom Films DVD
http://bdub.net/billbryant/
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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] Got Double Trouble weighed at a CAT Scale [message #182348 is a reply to message #182015] |
Thu, 30 August 2012 07:13 |
David Greenberg
Messages: 222
Registered: September 2010
Karma: 0
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Senior Member |
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Bill didn't GM T&C add gussets to the 78 chassis to accommodate an increase?
On Mon, Aug 27, 2012 at 8:07 PM, Bill Bryant <bryant374@earthlink.net> wrote:
>
>
> -----Original Message-----
> From: Bill Bryant
>
> Questions for the GMC Brain Trust:
>
> 1) Did GMC actually do anything to the suspension system to up the GAWR and GVWR or just "pencil whip it?"
>
> Rob,
>
> I am assembling some details on the 4 different GVWs used over the 6 years of production which will take me a little while (we have
> company and they are distracting me).
>
> I can tell this much now:
>
> I was told by one of the original Engineers that one of the increases was a "paper" change made per Kurdt Stubenvoll, the others
> resulted from changes in the product.
>
> The 4 different vintage parts books, Jan.1973 - 78Z show the same torsion bar part numbers for all years.
>
> --
> Bill
>>
>>
>
>
> I decided to consolidate some of the detail, sufficient for the posed question.
>
> GVWs
> 1973 = 10,500
> 1973 late = 11,200
> 1975 = 11,700
> 1978 = 12,500
>
> There were MANY changes spread throughout the production period, here are a few of those that likely apply to the GVW changes.
>
> 1973
> Rear brakes, backing plate, spindle & bearings
> front shocks and again in 1977
>
> Frame: Except for the side rails, all sections of the frame were changed at least once (1973 & ~75)
>
> Rear control arms, once for 1 1/4" bushings, once for 1 1/2" pins
>
> Front lower control arms changed 3 times.
>
> Radial tires & wheels @ 5V101674
>
> Body structure changed @ 6V100878 (body was part of frame/body load support design)
>
> As noted earlier, the same P/N torsion bar was used from
> 1973 through 1978.
>
> There is probably more, but this should do for now.
>
>
>
>
>
>
> --
> Bill Bryant
> 1976~PB
> 1914 Ford
> 1965 Corvette
> GMC MH History CD
> GMC Showroom Films DVD
> http://bdub.net/billbryant/
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
--
David Lee Greenberg
Port St Lucie, FL
skype: david.lee.greenberg
http://www.picturetrail.com/gmcregistry
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182405 is a reply to message #182348] |
Thu, 30 August 2012 11:26 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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Senior Member |
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Hi Dave,
Here are the details for FRAME changes as I understand them:
My sources are several Sales Brochures, 4 Parts Books & an Engineering presentation.
Sales Brochures, Motor home:
1973 & 74
Frame 6 x 2.50 x .125 SAE 950 side rails & SAE 1023 crossmembers.
1975
Frame 6 x 2.50 x .125 SAE 1023 side rails SAE 950 crossmembers.
1977 & 78
No mention
(no attempt to correct the above conflicts)
1975 Transmode Sales Brochure:
Frame SAE 950 for side rails & crossmembers.
Operation "Conquest"
June 14, 1974
Introduction of Eleganza II and change of GVW from 11,200 to 11,700.
3 major changes identified:
1- Frame bogie-liner assy new crossmembers made of special alloy steel increased 50% in thickness. Suspension loads are evenly distributed throughout the structure by the addition of alloy steel crossmember gussets.
2- Rear suspension working members redesigned (1 1/2" pins), development work began Nov. (1973), ended April (1974) after durability testing.
3- larger wheel bearings.
Parts Books (printed Jan 1973 - May 1979)
The first parts book, Jan.73 already showed new P/Ns issued for all crossmembers and all sections of the rear assembly section.
77Z (Sept. 76)
Cross members changed again, reflecting those changes shown in the above Operation Conquest.
Front diaginal brace added at 5V100542
NOTE: TZEs prior to 5V100542 used a different P/N.
QUESTION: Do any of you with earlier coaches have a frame WITHOUT the front diaginal brace?
No further frame changes noted after the June 76 77Z. The Z78 parts book shows the same P/N listing as the 77Z book.
Re: [GMCnet] Got Double Trouble weighed at a CAT Scale
Thu, 30 August 2012 08:13
David Greenberg
Bill didn't GM T&C add gussets to the 78 chassis to accommodate an increase?
On Mon, Aug 27, 2012 at 8:07 PM, Bill Bryant <bryant374@earthlink.net> wrote:
>
>
> -----Original Message-----
> From: Bill Bryant
>
> Questions for the GMC Brain Trust:
>
> 1) Did GMC actually do anything to the suspension system to up the GAWR and GVWR or just "pencil whip it?"
>
> Rob,
>
> I am assembling some details on the 4 different GVWs used over the 6 years of production which will take me a little while (we have
> company and they are distracting me).
>
> I can tell this much now:
>
> I was told by one of the original Engineers that one of the increases was a "paper" change made per Kurdt Stubenvoll, the others
> resulted from changes in the product.
>
> The 4 different vintage parts books, Jan.1973 - 78Z show the same torsion bar part numbers for all years.
>
> --
> Bill
>>
>>
>
>
> I decided to consolidate some of the detail, sufficient for the posed question.
>
> GVWs
> 1973 = 10,500
> 1973 late = 11,200
> 1975 = 11,700
> 1978 = 12,500
>
> There were MANY changes spread throughout the production period, here are a few of those that likely apply to the GVW changes.
>
> 1973
> Rear brakes, backing plate, spindle & bearings
> front shocks and again in 1977
>
> Frame: Except for the side rails, all sections of the frame were changed at least once (1973 & ~75)
>
> Rear control arms, once for 1 1/4" bushings, once for 1 1/2" pins
>
> Front lower control arms changed 3 times.
>
> Radial tires & wheels @ 5V101674
>
> Body structure changed @ 6V100878 (body was part of frame/body load support design)
>
> As noted earlier, the same P/N torsion bar was used from
> 1973 through 1978.
>
> There is probably more, but this should do for now.
>
>
>
>
>
>
> --
> Bill Bryant
> 1976~PB
> 1914 Ford
> 1965 Corvette
> GMC MH History CD
> GMC Showroom Films DVD
> http://bdub.net/billbryant/
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
--
David Lee Greenberg
Port St Lucie, FL
skype: david.lee.greenberg
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
[Updated on: Thu, 30 August 2012 12:19] Report message to a moderator |
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182522 is a reply to message #182405] |
Thu, 30 August 2012 23:35 |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
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Senior Member |
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| bryant374 wrote on Thu, 30 August 2012 11:26 |
QUESTION: Do any of you with earlier coaches have a frame WITHOUT the front diagonal brace?
|
Are you are talking about the two braces that run from the front frame clip rear cross-member (the one the trans bolts to) at the outside ends of that cross-member, to the engine support cross-member (referred to as the suspension cross member) in about 1/3 of the width? If so my early '74 has them.
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182591 is a reply to message #182522] |
Fri, 31 August 2012 12:09 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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Senior Member |
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[GMCnet] Got Double Trouble weighed at a CAT Scale
Fri, 31 August 2012 00:35
midlf
bryant374 wrote on Thu, 30 August 2012 11:26
QUESTION: Do any of you with earlier coaches have a frame WITHOUT the front diagonal brace?
Are you are talking about the two braces that run from the front frame clip rear cross-member (the one the trans bolts to) at the outside ends of that cross-member, to the engine support cross-member (referred to as the suspension cross member) in about 1/3 of the width? If so my early '74 has them.
Yes, those are the braces I am asking about.
Anyone out there without them?
Last 4 digits of your TZE please if you do not have them.
Thanks
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182625 is a reply to message #182405] |
Fri, 31 August 2012 16:05 |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
Karma: 0
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Senior Member |
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I have two complete frame assemblies and noticed several differences between them. My original frame is an early 75 unit (9/74) while my spare parts frame is from a 78 coach. The front frame clip is not fabricated the same on these two. The main differences are in where frame gussets and doubler plates have been installed but I also believe that the front frame clip is shaped differently behind the suspension mounting points. I'm wondering if anyone else has noticed these differences? I can photo document the differences if anyone is interested.
Les Burt
Montreal
On 2012-08-30, at 12:26 PM, Bill Bryant <bryant374@earthlink.net> wrote:
>
>
> Hi Dave,
>
> Here are the details for FRAME changes as I understand them:
>
> My sources are several Sales Brochures, 4 Parts Books & an Engineering presentation.
>
> Sales Brochures, Motor home:
>
> 1973 & 74
> Frame 6 x 2.50 x .125 SAE 950 side rails & SAE 1023 crossmembers.
>
> 1975
> Frame 6 x 2.50 x .125 SAE 1023 side rails SAE 950 crossmembers.
>
> 1977 & 78
> No mention
> (no attempt to correct the above conflicts)
>
> 1975 Transmode Sales Brochure:
>
> Frame SAE 950 for side rails & crossmembers.
>
>
> Operation "Conquest"
> June 14, 1974
> Introduction of Eleganza II and change of GVW from 11,200 to 11,700.
>
> 3 major changes identified:
> 1- Frame bogie-liner assy new crossmembers made of special alloy steel increased 50% in thickness. Suspension loads are evenly distributed throughout the structurd by the addition of alloy steel crossmember gussets.
>
> 2- Rear suspension working members redesigned (1 1/2" pins), development work began Nov. (1973), ended April (1974) after durability testing.
>
> 3- larger wheel bearings.
>
> Parts Books (printed Jan 1973 - May 1979)
> The first parts book, Jan.73 already showed new P/Ns issued for all crossmembers and all sections of the rear assembly section.
>
> 77Z (Sept. 76)
> Cross members changed again, reflecting those changes shown in the above Operation Conquest.
>
> Front diaginal brace added at 5V100542
>
> NOTE: TZEs prior to 5V100542 used a different P/N.
> QUESTION: Do any of you with earlier coaches have a frame WITHOUT the front digginal brace?
>
> No further frame changes noted after the June 76 77Z. The Z78 parts book shows the same P/N listing as the 77Z book.
>
>
>
>
>
>
>
>
>
>
>
>
> Re: [GMCnet] Got Double Trouble weighed at a CAT Scale
>
> Thu, 30 August 2012 08:13
>
>
> David Greenberg
>
>
> Bill didn't GM T&C add gussets to the 78 chassis to accommodate an increase?
>
>
>
> On Mon, Aug 27, 2012 at 8:07 PM, Bill Bryant <mailto:bryant374@earthlink.net> wrote:
>>
>>
>> -----Original Message-----
>> From: Bill Bryant
>>
>> Questions for the GMC Brain Trust:
>>
>> 1) Did GMC actually do anything to the suspension system to up the GAWR and GVWR or just "pencil whip it?"
>>
>> Rob,
>>
>> I am assembling some details on the 4 different GVWs used over the 6 years of production which will take me a little while (we have
>> company and they are distracting me).
>>
>> I can tell this much now:
>>
>> I was told by one of the original Engineers that one of the increases was a "paper" change made per Kurdt Stubenvoll, the others
>> resulted from changes in the product.
>>
>> The 4 different vintage parts books, Jan.1973 - 78Z show the same torsion bar part numbers for all years.
>>
>> --
>> Bill
>>>
>>>
>>
>>
>> I decided to consolidate some of the detail, sufficient for the posed question.
>>
>> GVWs
>> 1973 = 10,500
>> 1973 late = 11,200
>> 1975 = 11,700
>> 1978 = 12,500
>>
>> There were MANY changes spread throughout the production period, here are a few of those that likely apply to the GVW changes.
>>
>> 1973
>> Rear brakes, backing plate, spindle & bearings
>> front shocks and again in 1977
>>
>> Frame: Except for the side rails, all sections of the frame were changed at least once (1973 & ~75)
>>
>> Rear control arms, once for 1 1/4" bushings, once for 1 1/2" pins
>>
>> Front lower control arms changed 3 times.
>>
>> Radial tires & wheels @ 5V101674
>>
>> Body structure changed @ 6V100878 (body was part of frame/body load support design)
>>
>> As noted earlier, the same P/N torsion bar was used from
>> 1973 through 1978.
>>
>> There is probably more, but this should do for now.
>>
>>
>>
>>
>>
>>
>> --
>> Bill Bryant
>> 1976~PB
>> 1914 Ford
>> 1965 Corvette
>> GMC MH History CD
>> GMC Showroom Films DVD
>> http://bdub.net/billbryant/
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
>
>
> --
> David Lee Greenberg
> Port St Lucie, FL
> skype: david.lee.greenberg
>
>
> --
> Bill Bryant
> 1976~PB
> 1914 Ford
> 1965 Corvette
> GMC MH History CD
> GMC Showroom Films DVD
> http://bdub.net/billbryant/
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182645 is a reply to message #182621] |
Fri, 31 August 2012 18:54 |
Bruce Hart
Messages: 1500
Registered: October 2011
Location: La Grange, Wyoming
Karma: 5
|
Senior Member |
|
|
My ex parts coach had the braces. 1973 Canyon Land TZE063V100470
On Fri, Aug 31, 2012 at 2:34 PM, Frank Condos <fcondos@sti.net> wrote:
>
>
> QUESTION: Do any of you with earlier coaches have a frame WITHOUT the
> front diagonal brace?
>
> Are you are talking about the two braces that run from the front frame
> clip rear cross-member (the one the trans bolts to) at the outside ends of
> that cross-member, to the engine support cross-member (referred to as the
> suspension cross member) in about 1/3 of the width? If so my early '74 has
> them.
>
>
>
>
> Yes, those are the braces I am asking about.
> Anyone out there without them?
>
> Last 4 digits of your TZE please if you do not have them.
> Thanks
>
> Here are two '73 that may help bracket the change
> .-0185 No brace (mine)
> -1085 Brace (neighbors)
>
> Frank Condos
> 76 Ele.
> 73 GL
> Ahwahnee, CA
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Bruce Hart
1976 Palm Beach
Milliken, Co
GMC=Got More Class
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Bruce Hart
1976 Palm Beach
1977 28' Kingsley
La Grange, Wyoming
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182683 is a reply to message #182625] |
Fri, 31 August 2012 21:40 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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Senior Member |
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Re: [GMCnet] Got Double Trouble weighed at a CAT Scale
Fri, 31 August 2012 17:05
Les Burt
I have two complete frame assemblies and noticed several differences between them. My original frame is an early 75 unit (9/74) while my spare parts frame is from a 78 coach. The front frame clip is not fabricated the same on these two. The main differences are in where frame gussets and doubler plates have been installed but I also believe that the front frame clip is shaped differently behind the suspension mounting points. I'm wondering if anyone else has noticed these differences? I can photo document the differences if anyone is interested.
Les Burt
Montreal
I would very much like to see photos that show the differences.
Bill
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182849 is a reply to message #182683] |
Sat, 01 September 2012 21:44 |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
Karma: 0
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Ok
I'll try to take some photos this weekend.
Les Burt
Montreal
On 2012-08-31, at 10:40 PM, Bill Bryant <bryant374@earthlink.net> wrote:
>
>
> Re: [GMCnet] Got Double Trouble weighed at a CAT Scale
>
> Fri, 31 August 2012 17:05
>
> Les Burt
>
>
> I have two complete frame assemblies and noticed several differences between them. My original frame is an early 75 unit (9/74) while my spare parts frame is from a 78 coach. The front frame clip is not fabricated the same on these two. The main differences are in where frame gussets and doubler plates have been installed but I also believe that the front frame clip is shaped differently behind the suspension mounting points. I'm wondering if anyone else has noticed these differences? I can photo document the differences if anyone is interested.
>
> Les Burt
> Montreal
>
>
>
>
> I would very much like to see photos that show the differences.
> Bill
> --
> Bill Bryant
> 1976~PB
> 1914 Ford
> 1965 Corvette
> GMC MH History CD
> GMC Showroom Films DVD
> http://bdub.net/billbryant/
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182863 is a reply to message #182849] |
Sat, 01 September 2012 23:58 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| Les Burt wrote on Sat, 01 September 2012 21:44 |
Ok
I'll try to take some photos this weekend.
Les Burt
Montreal
On 2012-08-31, at 10:40 PM, Bill Bryant <bryant374@earthlink.net> wrote:
>
>
> Re: [GMCnet] Got Double Trouble weighed at a CAT Scale
>
> Fri, 31 August 2012 17:05
>
> Les Burt
>
>
> I have two complete frame assemblies and noticed several differences between them. My original frame is an early 75 unit (9/74) while my spare parts frame is from a 78 coach. The front frame clip is not fabricated the same on these two. The main differences are in where frame gussets and doubler plates have been installed but I also believe that the front frame clip is shaped differently behind the suspension mounting points. I'm wondering if anyone else has noticed these differences? I can photo document the differences if anyone is interested.
>
> Les Burt
> Montreal
>
>
>
>
> I would very much like to see photos that show the differences.
> Bill
> --
> Bill Bryant
> 1976~PB
> 1914 Ford
> 1965 Corvette
> GMC MH History CD
> GMC Showroom Films DVD
> http://bdub.net/billbryant/
> _______________________________________________
|
Do you have the frame that came from Owen Sound?
Just wondering.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Got Double Trouble weighed at a CAT Scale [message #182962 is a reply to message #182880] |
Sun, 02 September 2012 23:45 |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
Karma: 0
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Senior Member |
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Well,
I gained access to my two front frame clips today to do a comparision. I've taken photos and will try to find the time to annotate them and upload them to the photo site on monday My mind appears to have exaggerated the differences. The only differences I can see now that I put them side by side is the gusseting/bracing for the rear lower control arm mounting bracket. Before putting them side by side I would have sworn that the frames were shaped slightly different. It now appears that what I saw was just an optical illusion due to poor lighting when I made a quick comparision in the spring.
The differences are evident, just less significant. I'll fill y'all in soon with the photos.
Les Burt
Montreal
On 2012-09-02, at 10:16 AM, "Rob Mueller" <robmueller@iinet.net.au> wrote:
> Les,
>
> When you do post the pictures of the two front clips PLEASE give the message a title like:
>
> 1974 - 1978 Front Frame Comparison
>
> That way we'll be able to find it easily in the future.
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Les Burt
>
>
> Ok
> I'll try to take some photos this weekend.
>
> Les Burt
> Montreal
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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| frame & body [message #320842 is a reply to message #182962] |
Sat, 22 July 2017 13:49 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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Senior Member |
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WOW, did I say all that and did the photos of the front frame sections ever get posted?
The two key GMC MH Engineers, Ralph Merkle (Chassis) and John Locklin (Body), design intent was for the body/frame structures combined forming a more than adquate structure. John Locklin had said that his body was holding up Ralphs frame. Ralph Merkle would say that the purpose of the frame is for a place to hang the wheels.
I think they did a great job!
Bill
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
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| Re: [GMCnet] frame & body [message #320882 is a reply to message #320880] |
Sun, 23 July 2017 09:33 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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Senior Member |
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Thanks Les.
Bill
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
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