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tow bar
by G Walker - 24/08/26 06:52 PM
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Forums39
Topics49,836
Posts837,276
Members9,596
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Most Online1,063
Jun 14th, 2026
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Joined: Oct 2024
Posts: 16 Likes: 1
New to Talk Morgan
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OP
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Hi, does anybody know what the part number is of the viscous coupling on a 1980 4/4 with a 1600 x-flow? Or what else it may have been used on?
Thanks
Neil
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Joined: Nov 2015
Posts: 8,663 Likes: 489
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,663 Likes: 489 |
Welcome to TM, You could try these https://www.burtonpower.com/
Jon M
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Joined: Oct 2024
Posts: 16 Likes: 1
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They have nothing on their website, but to be fair I haven’t rung them yet.🤔
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Joined: Nov 2012
Posts: 307 Likes: 31
Learner Plates Off!
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Learner Plates Off!
Joined: Nov 2012
Posts: 307 Likes: 31 |
I've had a crossflow 4/4 for a while, but was totally unaware it could have a viscous coupling. :-) is it part of the drive for the cooling fan ? eg: https://www.burtonpower.com/water-p...0C5Pmjfrcpa1VEHQRWLE3nGmLC2gAhMNGuynKK8D(Mine's got an alu rad replacement with an electric fan).
Dave
Blue 4/4 1969, Green +4 1953, (different) Green +8 1977
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Joined: Oct 2024
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Someone has probably removed the viscous fan if the is an electric fan fitted. That water pump is the correct one for a viscous fan assembly. Where is your electric fan fitted? In front or behind the radiator, there doesn’t seem to be a lot of room behind the radiator, which is the best option.
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Joined: Nov 2017
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It's quite easy to move the bottom mountings of the radiator forward by an inch or so. I think I made some small extension brackets for mine.
1970 4/4
1970 MF140
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Joined: Nov 2018
Posts: 6,666 Likes: 433
Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
Posts: 6,666 Likes: 433 |
Someone has probably removed the viscous fan if the is an electric fan fitted. That water pump is the correct one for a viscous fan assembly. Where is your electric fan fitted? In front or behind the radiator, there doesn’t seem to be a lot of room behind the radiator, which is the best option. I've fitted one behind the radiator - as mentioned above a slight wangle of the fittings and I got a slimline one in. I'll try and find a link to the thread. Here we go - https://www.talkmorgan.com/ubbthreads.php/topics/604226/1I fitted a sucker, as I believe they are more effective than a blower (as they don't block the airflow getting into the radiator)
Last edited by TBM; 14/11/24 09:34 AM. Reason: added thread link
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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Joined: Nov 2012
Posts: 307 Likes: 31
Learner Plates Off!
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Learner Plates Off!
Joined: Nov 2012
Posts: 307 Likes: 31 |
The fan is fitted in front. The original fan was removed when the alu radiator was fitted about 15 years ago. I don't really know how often the fan comes on, but afaik there have been no cooling problems. ![[Linked Image]](https://www.tm-img.com/images/2024/11/14/IMG_2929.jpg) ![[Linked Image]](https://www.tm-img.com/images/2024/11/14/IMG_2928.jpg)
Dave
Blue 4/4 1969, Green +4 1953, (different) Green +8 1977
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1 member likes this:
Cropps |
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Looks good, just what I was considering, at the moment a 12” fan has been fitted as a blower, but it blocks a massive amount of radiator off. It’s on a switch, but it needs to run even at speed otherwise it blocks airflow to the radiator! Plus the temperature gauge is over reading which doesn’t help, new sensor on its way & then check the gauge if required, then I should have a better idea about the fan & away forward, but I am leaning towards your solution, nice to know you can get enough room to fit the fan.
Need to sort this before I pull it all apart.
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Joined: Oct 2024
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The fan on mine is 12” & blocks out most of the radiator! Think it’s off a Mercedes vito van!
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