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Aug 24th, 2023
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Joined: Oct 2014
Posts: 24 Likes: 1
New to Talk Morgan
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New to Talk Morgan
Joined: Oct 2014
Posts: 24 Likes: 1 |
Hello. Just picked up on this query about the crossflow heater take off on the inlet manifold. My take off connections ( both cast Ally) disintegrated a couple of decades ago and I assembled my own with the help of a local Hydraulic/Pneumatic spares supplier who provided suitable brass fittings that would replace the original items. The Burton item posted earlier is also a good option. These have worked well for many years. This item in your photo is new to me and I wonder if it is some form of thermostat to control water flow; but that is just a guess.
If you have disconnected the heater pipes you should ensure that the flow from the water pump connection to the inlet manifold is maintained, as this is (I believe) important to maintain the coolant flow through the engine.
Hope this helps.. Mike.(1971 4/4 4seat)
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Joined: Aug 2015
Posts: 1,576 Likes: 103
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Aug 2015
Posts: 1,576 Likes: 103 |
Is it a take off for a late Kent engine with the Weber 32/26 DGAV carb?
The 'A' in carb designation denotes an Automatic choke plumbed into the cooling system so that the choke closed when the engine got up to operating temperature??
Arwyn
Last edited by Arwyn Williams; 13/05/23 07:06 PM.
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Joined: Jun 2019
Posts: 767 Likes: 44
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jun 2019
Posts: 767 Likes: 44 |
Hello. Just picked up on this query about the crossflow heater take off on the inlet manifold. My take off connections ( both cast Ally) disintegrated a couple of decades ago and I assembled my own with the help of a local Hydraulic/Pneumatic spares supplier who provided suitable brass fittings that would replace the original items. The Burton item posted earlier is also a good option. These have worked well for many years. This item in your photo is new to me and I wonder if it is some form of thermostat to control water flow; but that is just a guess.
If you have disconnected the heater pipes you should ensure that the flow from the water pump connection to the inlet manifold is maintained, as this is (I believe) important to maintain the coolant flow through the engine.
Hope this helps.. Mike.(1971 4/4 4seat) When I did some work on my 73 4/3 with cross flow I asked a lot of people about flow through the manifold as I wanted to I stall a valve to control the heat. Every answer I got said it would be fine without the flow.
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Joined: Oct 2014
Posts: 24 Likes: 1
New to Talk Morgan
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New to Talk Morgan
Joined: Oct 2014
Posts: 24 Likes: 1 |
I agree with Arwyn. Also even if a manual choke is carb is in use, the inlet manifold chamber immediately below the carb chokes will not get warm as quick if the coolant flow has been blocked. I am also unsure of the coolant flow spaces in the cylinder head, and any restriction to this might not be a good idea. I believe the crossflow heads are known to crack, so my view is to play safe. Mike
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Joined: Nov 2018
Posts: 6,055 Likes: 159
Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
Posts: 6,055 Likes: 159 |
This was suggested on the FB group Ford Capri Mk1 1600GT Heater Valve https://www.ebay.com/itm/125666980618
1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10
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Joined: Aug 2008
Posts: 118 Likes: 3
L - Learner Plates On
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L - Learner Plates On
Joined: Aug 2008
Posts: 118 Likes: 3 |
That is the same heater valve I have fitted to my 1975 4/4.
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Joined: Nov 2018
Posts: 6,055 Likes: 159
Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
Posts: 6,055 Likes: 159 |
Tom's is a 1975 too. I think we have a winner !
1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10
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