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  Author    Expansion header tank recommendation  (currently 1,291 views)
Andy_Bullock
Posted on: July 31st, 2016, 20:52:15 Quote Report to Moderator
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Hi all,
Can anyone recommend a suitable expansion tank for the 1275 please. I am going to be using the cinq radiator. Any ideas on best mounting location good please? Thanks
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Neil KilBane
Posted on: July 31st, 2016, 21:55:29 Quote Report to Moderator
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just a little fine tuning left to do.


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I use a Metro expansion bottle as well as most of its pipes and hoses.


 
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John Dickens
Posted on: August 1st, 2016, 06:23:11 Quote Report to Moderator
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I always favoured the Allegro plastic type.



Compact and easy to mount.

They may be a bit thin on the ground now though.
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Simon Robinson
Posted on: August 1st, 2016, 09:19:18 Quote Report to Moderator
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Location: Northampton
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I have a similar expansion bottle to John, but in brass. I got it from ebay, if you search for "MGB expansion tank" there are a few examples on there.

D&H Mk IV 8313, KGV 215V (aka George) - 75,000 miles and counting since restoration in 2011.

Last modified August 1st, 2016, 09:30:56 by Simon Robinson
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mike brown
Posted on: August 2nd, 2016, 05:28:21 Quote Report to Moderator
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Early land rover 110/90's have a horizontal brass version of John's but with a larger lower port (around 1/2")
Mike
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Andy_Bullock
Posted on: August 2nd, 2016, 16:15:16 Quote Report to Moderator
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Thats great, thanks as always. Will get shopping!
Another potentially simple question, however with the cinq rad will i need to use the bleed outlet? I have the thermostat housing that has the bleed take off...? Is there such thing as a plumbing diagram showing where everything needs to go to / from?! Cheers,
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Rodger Howard
Posted on: August 3rd, 2016, 09:43:45 Quote Report to Moderator
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Out of the water pump t off to the bottom of the expansion tank then off to the radiator.
From the thermostat housing main feed to the radiator with a small pipe to the top of the expansion tank.
Expansion tank mounted above the height of both the therostat and radiator.
If you are racing a blleed off the expansion tank neck below the cap to a 1.275 litre container for overflow.
Otherwise into the atmosphere but away from the brakes!
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Andy_Bullock
Posted on: August 9th, 2016, 08:40:00 Quote Report to Moderator
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Thanks very much for all your replies, much appreciated.
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