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MG Midget and Sprite Technical - Water pipe

Hi,
There is water pipe that runs from the radiator hose to the heater. There is also a hose that runs from the heater to the cylinder head. I have no heater so does the pipe just connect the radiator hose to the cylinder head?

1967 1275 midget
TCW Tom Westcot

Yes so I do in summer.
Flip
Flip Brühl

if you connect those together, then you are routing uncooled water back into the engine

It is best to plug those two hoses, not connect them, to avoid causing overheating.

If one wants to have water flow through that part of the head, route it to the upper hose instead (hot water entry into the radiator for cooling).


Norm
Norm Kerr

have a look at this site... scroll down a bit

http://www.omniautos.force9.co.uk/sprite/m_cool.htm
Andy Phillips (frankenfrog)

Good link Andy, thank you!


Norm
Norm Kerr

Andy...thank you for that site link, ive been looking for that website for over a year

I run the heater hose back to the radiator, and keep the valve open to help cool the #4 cly
Prop and the Blackhole Midget

Thanks for the clarifcation.
I like Norm's suggection - problem is the hose we would connect to is pretty short. I'll probably have to fabricate a tee fitting to splice in there.
TCW Tom Westcot

First off this is a vertical flow radiator- 1967. If I connect from the cylinder head to the upper hose (pump discharge) I will have flow to the head. If I connect from the head to the radiator I will have flow from the head.

Looking at it again I realize I have a spare connection. I have a temp. gauge port on the engine and the radiator.
TCW Tom Westcot

This thread was discussed between 06/06/2013 and 09/06/2013

MG Midget and Sprite Technical index

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