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Plus 4 cooling issue #235765
23/11/14 02:39 PM
23/11/14 02:39 PM
Joined: Jul 2014
Posts: 590
Cornwall
griffo Offline OP
Talk Morgan Regular
griffo  Offline OP
Talk Morgan Regular

Joined: Jul 2014
Posts: 590
Cornwall
Went out for a brisk drive the the Plus 4 today (just under 1,000 miles on the clock). Sunny but quite cold (the first decent day in Cornwall for a while). Despite the cold weather, opened the bonnet on my return and couldn't believe the heat wave which came out. Bonnet and bonnet stays too hot to touch (despite the louvres) and the "cold" air intake actually a hot air intake since the pipe also really hot. The culprit is obviously the catalyst which, since being "close-coupled" on the GDI is actually inside the engine bay. There is a bit of heat shielding over it but it's clearly not effective. Shudder to think how hot everything will get in high summer. When I get round to it I'll fit some properly designed Duratec manifolds I have (same bolt pattern) and fit a 200 cel metal substrate cat further downstream outside the engine bay and under the wing. Pending that I'll insulate the air intake. Grtfl any thoughts?

Attached Files
Plus 4 Cooling.jpg (259 downloads)
Re: Plus 4 cooling issue [Re: griffo] #235770
23/11/14 03:31 PM
23/11/14 03:31 PM
Joined: Jan 2013
Posts: 2,361
South West England
C
Chunky4/4Racer Offline
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Chunky4/4Racer  Offline
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Joined: Jan 2013
Posts: 2,361
South West England
I believe the exhaust ports on the head are different to that on a 2L Duratec


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- Lawrie Mills(Chunkylozza)
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Re: Plus 4 cooling issue [Re: griffo] #235771
23/11/14 03:42 PM
23/11/14 03:42 PM
Joined: Dec 2008
Posts: 19,205
South Yorkshire
DaveW Offline
Roadster Guru
DaveW  Offline
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Joined: Dec 2008
Posts: 19,205
South Yorkshire
Can you re-route the air intake away from the exhaust manifold?


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) AR Plus 4
Re: Plus 4 cooling issue [Re: griffo] #235776
23/11/14 03:49 PM
23/11/14 03:49 PM
Joined: Aug 2013
Posts: 13,585
Salisbury, UK
Peter J Offline
Formerly known as Aldermog
Peter J  Offline
Formerly known as Aldermog
Member of the Inner Circle

Joined: Aug 2013
Posts: 13,585
Salisbury, UK
I suspect mving the cat out of the engine bay will mean a new map for the computer....the GDI engine is computer managed and the cat is where it is because Ford want it there, nor because MMC put it there.

Perhaps the answer is a "throttle body" type bonnet with a new air intake taking fresh, cold air from the outside.


Peter,
V8s are best....
Tarka the 'Otter Mog....2014 Plus 8
AMG C63 Estate.


Re: Plus 4 cooling issue [Re: griffo] #235785
23/11/14 04:20 PM
23/11/14 04:20 PM
Joined: Mar 2012
Posts: 186
West London
bobar Offline
L - Learner Plates On
bobar  Offline
L - Learner Plates On

Joined: Mar 2012
Posts: 186
West London
The issue described apart, any other points to watch out for?

I'm considering a change from the latest duratech.

Thanks.


--------------------------------------
Regards
Bob
Re: Plus 4 cooling issue [Re: griffo] #235794
23/11/14 04:47 PM
23/11/14 04:47 PM
Joined: Nov 2006
Posts: 90
R
redmorgan Offline
Just Getting Started
redmorgan  Offline
Just Getting Started
R

Joined: Nov 2006
Posts: 90
I recently drove a new Plus 4 around Paris and spent time in traffic jams and driving at low speeds. This was a real test but the car didn't get hot in the way you describe and performed beautifully.

To be on the safe side I would give the dealer a call.

There is not a massive difference in power over the older Plus 4 but it was still a spirited drive - when you could find an open road to put your foot down and the French police were not about!

Re: Plus 4 cooling issue [Re: griffo] #235796
23/11/14 04:53 PM
23/11/14 04:53 PM
Joined: Jul 2014
Posts: 590
Cornwall
griffo Offline OP
Talk Morgan Regular
griffo  Offline OP
Talk Morgan Regular

Joined: Jul 2014
Posts: 590
Cornwall
Thanks for the info on the ports. I shall have to check that. Not too easy to re-route the intake. Think I,ll try reflective insulation on the intake hose and heat wrap on the manifold plus a bit more insulation round the cat. Otherwise, apart from a few blown fuses, car has been excellent.

Re: Plus 4 cooling issue [Re: griffo] #235797
23/11/14 04:57 PM
23/11/14 04:57 PM
Joined: May 2010
Posts: 7,715
Llanelli
sospan Offline
Talk Morgan Guru
sospan  Offline
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Joined: May 2010
Posts: 7,715
Llanelli
I don't know how much heat will be put into the air through a warm air supply tube like yours but wrapping it with insulation would help.
When I had a 1992 4/4 with 1.6 CVH engine my air supply was similar to yours and was melting underneath so was replaced and insulated.
Zircotec coating the manifold will cost you 250+ based on quotes for 4 cylinders.
Try exhaust wrap?
Air dam underneath the car to draw air out?
My current car - 2002 Plus8 - has a polished stainless filter housing and that gets to 40 degrees celcius after a short run with engine at normal temp!



Red Plus8
Re: Plus 4 cooling issue [Re: griffo] #235799
23/11/14 05:05 PM
23/11/14 05:05 PM
Joined: Jan 2013
Posts: 2,361
South West England
C
Chunky4/4Racer Offline
Talk Morgan Expert
Chunky4/4Racer  Offline
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Joined: Jan 2013
Posts: 2,361
South West England
Please please do NOT wrap exhaust systems it's very poor solutions on so many levels.

Yes Zirotec is the best way to goon both the ceramic coating on the metal and using their flexible heat shields


Instagram - WilliamsMotorsportuk
- Lawrie Mills(Chunkylozza)
Youtube - ChunkyLozza


Re: Plus 4 cooling issue [Re: griffo] #235807
23/11/14 05:59 PM
23/11/14 05:59 PM
Joined: Dec 2011
Posts: 312
South West France
C
CBY Offline
Learner Plates Off!
CBY  Offline
Learner Plates Off!
C

Joined: Dec 2011
Posts: 312
South West France
Does your radiator fan work?


Regards
2005 PLUS 4
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