Home » Public Forums » GMCnet » [GMCnet] 23 on course - Harley Davidson sound
| Re: [GMCnet] 23 on course - Harley Davidson sound [message #324585 is a reply to message #324584] |
Tue, 03 October 2017 12:03   |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Espen,
Peer did not investigate his exhaust leak, it could be:
1) the donut
2) the exhaust manifold to head gasket
3) the gasket under the choke stove
4) a cracked exhaust manifold
5) etc, etc, etc
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Espen Heitmann
Sent: Tuesday, October 3, 2017 11:33 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] 23 on course - Harley Davidson sound
Just thinking here, if you have a Harley sound could it not be one of the exhaust manifold gaskets ? I do rarely see a dunut failure on the GMC but a
lot of blown manifold gaskets..
--
1973 23' # 1848 Sky Blue Glacier called Baby Blue and a 1973 26'-3 # 1460 Parrot green Seqouia Known as the Big Green,
And sold my 1973 26'-2 # 581 White Canyon lands under the name Dobbelt trøbbel
in Norway
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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] 23 on course - Harley Davidson sound [message #324587 is a reply to message #324586] |
Tue, 03 October 2017 12:20 |
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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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Peer,
I thought the GMC with the exhaust leak is on a boat to Europe?
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Peer Oliver Schmidt GMC
Sent: Tuesday, October 3, 2017 12:14 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] 23 on course - Harley Davidson sound
And thanks to Facebook, I'll visit another GMC owner on Friday to get to the root of this issue.
--
Best regards
Peer Oliver Schmidt
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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] 23 on course - Harley Davidson sound [message #324700 is a reply to message #324432] |
Sun, 08 October 2017 12:17 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Senior Member |
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Morning,
coach has been upon the lift.
The exhaust manifold has a leak. I might already have a source for a
pair of exhaust manifolds, but wonder what the right gasket is:
http://possy.de/kts.pdf
455 is the engine.
And do I always need a new gasket, even when Ken Frey replaced both
gaskets 4 month ago? /me thinks yes.
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II 26', VA
'73 Sequoia 23', Germany, SH
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] 23 on course - Harley Davidson sound [message #324702 is a reply to message #323131] |
Sun, 08 October 2017 12:55 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Senior Member |
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Emery Stora schrieb/wrote
> RF11-001 is the one for Headers RF11-003 is the one for stock manifolds
Thanks for the details. I guess, I better order the gaskets. Better safe
than sorry when I do need them.
I'll try my luck with some Fire Seal cement first, as I am in a bit of a
hurry, and won't get the manifolds in time. Maybe it helps better than
expected.
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II 26', VA
'73 Sequoia 23', Germany, SH
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] 23 on course - Harley Davidson sound [message #324703 is a reply to message #324700] |
Sun, 08 October 2017 12:55 |
Richard Denney
Messages: 920
Registered: April 2010
Karma: 9
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Remflex, with the divider in the center port. Follow the instructions.
Rick "soft embossed copper will work if surfaces are perfect" Denney
On Sun, Oct 8, 2017 at 1:18 PM Peer Oliver Schmidt GMC
wrote:
> Morning,
>
> coach has been upon the lift.
>
> The exhaust manifold has a leak. I might already have a source for a
> pair of exhaust manifolds, but wonder what the right gasket is:
>
> http://possy.de/kts.pdf
>
> 455 is the engine.
>
> And do I always need a new gasket, even when Ken Frey replaced both
> gaskets 4 month ago? /me thinks yes.
>
> --
> Best regards
>
> Peer Oliver Schmidt
> PGP Key ID: 0x83E1C2EA
>
> '76a Eleganza II 26', VA
> '73 Sequoia 23', Germany, SH
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Rick Denney
73 x-Glacier 230 "Jaws"
Off-list email to rick at rickdenney dot com
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| Re: [GMCnet] 23 on course - Harley Davidson sound [message #324704 is a reply to message #324700] |
Sun, 08 October 2017 12:51 |
Emery Stora
Messages: 959
Registered: January 2011
Karma: 4
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Senior Member |
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Peer
You don’t always need a new gasket.
If the gasket looks OK (no tears or breakouts or burnouts) I would suggest that you coat it both sides with Permatex Ultra Copper RTV and replace it.
Torque it to the proper value — its in the maintenance manual.
It is important to retorque a manifold a hundred or so miles after installing it.
That might be why you have a leak.
As to new gaskets most of us are now using Remflex gaskets. RF11-001 is the one for Headers RF11-003 is the one for stock manifolds
Emery Stora
77 Kingsley
Frederick, CO
> On Oct 8, 2017, at 11:17 AM, Peer Oliver Schmidt GMC wrote:
>
> Morning,
>
> coach has been upon the lift.
>
> The exhaust manifold has a leak. I might already have a source for a
> pair of exhaust manifolds, but wonder what the right gasket is:
>
> http://possy.de/kts.pdf
>
> 455 is the engine.
>
> And do I always need a new gasket, even when Ken Frey replaced both
> gaskets 4 month ago? /me thinks yes.
>
> --
> Best regards
>
> Peer Oliver Schmidt
> PGP Key ID: 0x83E1C2EA
>
> '76a Eleganza II 26', VA
> '73 Sequoia 23', Germany, SH
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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