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Sold
by simon8201 - 09/09/26 01:46 PM
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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Dec 2019
Posts: 128
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Dec 2019
Posts: 128 |
I will be fitting my new SiFab Aluminium radiator soon, clearly draining the coolant prior to removing the old radiator!!. Is there a recommended brand of anti freeze/coolant mix?
My current mix, as it was supplied from the dealer has an orange colour look to it.
Thanks,
John
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2011 Plus 4 (Marty)
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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 |
Don't change from the current longlife coolant, if you mix different types (OAT, Glycol, etc) then can react with each other and crystallize, or gel inside the engine and radiator
Simon@Sifab.co.uk
sifabtemporary@gmail.com
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Jun 2015
Posts: 2,095 Likes: 75
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2015
Posts: 2,095 Likes: 75 |
Motorcraft Superplus to spec WSS-M97B44-D in a 50% concentration.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Jan 2013
Posts: 1,149 Likes: 19
Has a lot to Say!
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Has a lot to Say!
Joined: Jan 2013
Posts: 1,149 Likes: 19 |
when did you last look at your water pump, it may be worth changing at same time.... ![[Linked Image]](https://live.staticflickr.com/65535/49871300173_fe09a8ff01_o.jpg) DSC_0044_4 by Robert & Ali Davies, on Flickr
Morgans 1934 MX, 1947 Series 1, 1956 +4 TR4, 2000 +4 T16
Triumph Herald 1969 13/60
Morris 1970
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Joined: Jan 2013
Posts: 1,149 Likes: 19
Has a lot to Say!
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Has a lot to Say!
Joined: Jan 2013
Posts: 1,149 Likes: 19 |
The OAT organic red coolant life expectancy 5 years and the older blue coolant Glycol 2 yearsas Simon of sifab says above. I have fitted SiFab radiator to my TR4 1958 Morgan and I am very pleased.
Morgans 1934 MX, 1947 Series 1, 1956 +4 TR4, 2000 +4 T16
Triumph Herald 1969 13/60
Morris 1970
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Joined: Jun 2015
Posts: 2,095 Likes: 75
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2015
Posts: 2,095 Likes: 75 |
The OAT organic red coolant life expectancy 5 years and the older blue coolant Glycol 2 yearsas Simon of sifab says above. I have fitted SiFab radiator to my TR4 1958 Morgan and I am very pleased. Just to avoid confusion, neither of these colours is appropriate for the 2011 +4.and as John said, his is an orangey colour (just like mine) My earlier post quotes the spec in handbook which is the same as the Motorcraft superplus spec.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Jan 2016
Posts: 625
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jan 2016
Posts: 625 |
And watch out if you are using silicone hoses that are not certified for use with OAT coolant - it eats away at them.
But as yes as others have said Never mix the orange/red OAT with the non OAT coolants.
Cheers John
2011 4/4 - "Elrond"
2007 Elfin C3 Clubman - “Gimli”
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Joined: May 2010
Posts: 9,552 Likes: 134
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,552 Likes: 134 |
The colour is not a good guide! There is no colour standard for the different types. Manufacturers are not all the same. You need to check the actual specification for coolant type for your system and use the same.
The water pump check is worthwhile too. Also a good flush of the engine cooling system.
Plus Four MY23 Furka Rouge
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Joined: Aug 2017
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Talk Morgan Regular
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Talk Morgan Regular
Joined: Aug 2017
Posts: 730 Likes: 58 |
I've stripped down my Crossflow, removed the head, replaced the water pump. I'm also repacing the Rad with SiFab rad, which i brought last May/June. What is a good coolant? In the pass I have used a waterless coolant from Caterpillar.
Navy Dave
1976 Morgan 4/4
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Joined: Nov 2018
Posts: 6,676 Likes: 441
Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
Posts: 6,676 Likes: 441 |
Personally I use water and a traditional Blue/Green antifreeze on a 50:50 mix.
I'm sure I read that there may be an issue with OAT technology and some classic silicon/copper parts which steered me away from using it.
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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