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by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Aug 2016
Posts: 82
Just Getting Started
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OP
Just Getting Started
Joined: Aug 2016
Posts: 82 |
Favourites on best coolant brand and chosen mix greatly appreciated!
Last edited by AlexP; 03/09/16 07:57 PM.
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Joined: Aug 2016
Posts: 82
Just Getting Started
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OP
Just Getting Started
Joined: Aug 2016
Posts: 82 |
FYI I am not Ken A looking for a rumble! 
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Joined: Sep 2014
Posts: 2,272 Likes: 7
Talk Morgan Expert
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Talk Morgan Expert
Joined: Sep 2014
Posts: 2,272 Likes: 7 |
If you have a copper/brass/soldered radiator you really only have one choice : Bluecol .
The modern long life alternatives are not compatible with these combinations of metals, it is said. Whether there is any data to prove this I don't know, but you would be silly to risk this for the sake of a couple of years more life from your coolant.
Andy G
1999 +8 , Indigo Blue.
Ex-John McKecknie/Mike Duncan 1955 +4 racer.
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Joined: Feb 2010
Posts: 1,415
Has a lot to Say!
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Has a lot to Say!
Joined: Feb 2010
Posts: 1,415 |
Normal Blue Ethylene Glycol type Antifreeze
50/50 mix
Don't be tempted to use the longlife coolants, they are specifically designed to run in aluminium radiators and the organic acids in them will attack the solder in the OE copper/brass radiator as fitted to your car. Also unless the previous coolant can be totally flushed out, then the longlife coolants tend to react and form a crystal/sludge that that quickly clogs up the cooling tubes in a radiator core.
Simon @ SiFab.co.uk
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Aug 2016
Posts: 82
Just Getting Started
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OP
Just Getting Started
Joined: Aug 2016
Posts: 82 |
Interesting, thanks guys. Mine (bought a few months ago) has red in it... Any thoughts? Looks like the OAT stuff...
Mine has original rad (not Alu)... 1996 +8, 3.9.
Last edited by AlexP; 03/09/16 08:42 PM.
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Joined: Sep 2014
Posts: 2,272 Likes: 7
Talk Morgan Expert
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Talk Morgan Expert
Joined: Sep 2014
Posts: 2,272 Likes: 7 |
Drain this red stuff out , flush the cooling system and then change it for Bluecol 50:50 mix.
As Simon says the red stuff is NOT compatible with soldered radiators.
Andy G
1999 +8 , Indigo Blue.
Ex-John McKecknie/Mike Duncan 1955 +4 racer.
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Joined: Aug 2016
Posts: 82
Just Getting Started
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Just Getting Started
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