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2006 Roadster Exhaust flange gasket #601879
01/11/19 04:25 PM
01/11/19 04:25 PM
Joined: Jul 2007
Posts: 17,811
Suffolk
John V6 Offline OP
Member of the Inner Circle
John V6  Offline OP
Member of the Inner Circle

Joined: Jul 2007
Posts: 17,811
Suffolk
My Roadster exhaust has a blow on the drivers side where the manifold meets the cat. This is a triangular gasket.
The MMC parts book has it as part MX1309 Ex flange gasket.
None of the usual suspects stock it but it looks like a common item fitted to many vehicles.
Does anyone have a spec for it?


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle"
Re: 2006 Roadster Exhaust flange gasket [Re: John V6] #601888
01/11/19 04:59 PM
01/11/19 04:59 PM
Joined: Sep 2009
Posts: 5,428
Köln Germany
Heinz Offline
Charter Member
Heinz  Offline
Charter Member

Joined: Sep 2009
Posts: 5,428
Köln Germany
I wrote this in the „any known issues 3.7“ thread:

„It's been 12.5 years since I had given up the series 1 Roadster, so the exact memory has faded a bit. But there is a connection with a flange gasket. Either it was between the manifold and the catalytic converter or behind the catalytic converter I can't remember exactly. This gasket (on both sides) never lasted longer than 4000 km. You can hear it immediately when it blows and the performance is significantly lower.“

Meanwhile I am pretty sure it was the same gasket as you describe John. I do not know a parts number but it could be worth to think about a stronger replacement gasket which a exhaust maker could perhaps cut to the right dimensions, or if different suppliers are there to chose the strongest offer. This gasket is a weak point.


'14 4/4 graphite grey
Re: 2006 Roadster Exhaust flange gasket [Re: John V6] #601897
01/11/19 05:48 PM
01/11/19 05:48 PM
Joined: Jul 2007
Posts: 17,811
Suffolk
John V6 Offline OP
Member of the Inner Circle
John V6  Offline OP
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Joined: Jul 2007
Posts: 17,811
Suffolk
Heinz,
this went at 44,500 miles. I never heard of other failures.


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle"
Re: 2006 Roadster Exhaust flange gasket [Re: John V6] #601900
01/11/19 05:50 PM
01/11/19 05:50 PM
Joined: Nov 2015
Posts: 2,795
Yorkshire
CooperMan Offline
Talk Morgan Expert
CooperMan  Offline
Talk Morgan Expert

Joined: Nov 2015
Posts: 2,795
Yorkshire
Never had one let go in 50k miles on an S1, so for me that's reliable

John, I think Brands Hatch had them in stock for a fellow S2 owner last year


Jon M
Re: 2006 Roadster Exhaust flange gasket [Re: John V6] #601905
01/11/19 06:08 PM
01/11/19 06:08 PM
Joined: Aug 2006
Posts: 701
Perthshire & London
F
flyfisher Offline
Talk Morgan Regular
flyfisher  Offline
Talk Morgan Regular
F

Joined: Aug 2006
Posts: 701
Perthshire & London
This went on my Dads Series 1, Simon at Sifab had them in stock if not it was from Revolutions in Perth

Re: 2006 Roadster Exhaust flange gasket [Re: John V6] #601930
01/11/19 10:36 PM
01/11/19 10:36 PM
Joined: Feb 2010
Posts: 952
SimonH Online content
Talk Morgan Regular
SimonH  Online Content
Talk Morgan Regular

Joined: Feb 2010
Posts: 952
The gaskets are rubbish, I gave up in the end on the Roadster Lightweights as I was changing so many and glued the flanges with High Temperature Silicone...

Simon @ Sifab.co.uk


Simon @ Sifab.co.uk

Sifabtemporary@gmail.com
Re: 2006 Roadster Exhaust flange gasket [Re: John V6] #601932
01/11/19 10:54 PM
01/11/19 10:54 PM
Joined: Sep 2009
Posts: 5,428
Köln Germany
Heinz Offline
Charter Member
Heinz  Offline
Charter Member

Joined: Sep 2009
Posts: 5,428
Köln Germany
At that time I drove the Roadster very sporty. I was 14 years younger than now. Actually, I always demanded full power because it was a lot of fun. And on the motorway I liked to drive 190 km/h over a longer period of time, in dry conditions and without traffic. Mostly the gaskets got broken when I went in second gear to highest rpm. It can be that other experiences are more positive as described above in the posts. I always had trouble with these seals.


'14 4/4 graphite grey
Re: 2006 Roadster Exhaust flange gasket [Re: Heinz] #601988
02/11/19 02:26 PM
02/11/19 02:26 PM
Joined: Dec 2009
Posts: 793
Aerdenhout, The Netherlands
BertR Offline
Talk Morgan Regular
BertR  Offline
Talk Morgan Regular

Joined: Dec 2009
Posts: 793
Aerdenhout, The Netherlands
Heinz, I share with you the joy of driving the Roadster at high speed, it is an adventure. I recall driving Munchen to Amsterdam couple of years ago. Earplugs are a must, what a noise!


2009 Roadster, Lancia midnight blue, cinnamon upholstery.
Re: 2006 Roadster Exhaust flange gasket [Re: John V6] #601994
02/11/19 03:35 PM
02/11/19 03:35 PM
Joined: Sep 2009
Posts: 5,428
Köln Germany
Heinz Offline
Charter Member
Heinz  Offline
Charter Member

Joined: Sep 2009
Posts: 5,428
Köln Germany
Yes I used ear plugs as well at that time when driving so fast, Bert. And I trusted the aluminum 5 bolt wheels. I am not sure if I would drive so fast with centre lock spoke wheels.


'14 4/4 graphite grey

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