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Sep 08, 2015 11:53 am
Radman Offline
Member
Registered since: Sep 03, 2015
Location: -


Subject: Engine Coolant Filters
Permit me to introduce a new and extremely useful product for all old motors but particularly appropriate for Lagondas which often incorporated strainers in the top radiator inlet. The Gano Coolant Filter has been fitted to 1000s of cars in the US and I started importing them this year and recently supplied one for an LG45. Cooling system issues are often addressed in forums such a this with the benefits of waterless coolants, inhibitors etc. being discussed. Cleanliness is often overlooked though and is crucial; looking at old radiator cores you realise how clogged up most of them must be. The device fits in the top hose and traps dirt which can be safely cleaned out.
These filters really do work and will do wonders for your cooling system and save you from possible engine disaster. See more at http://www.cmengines.co.uk Happy to hear what members think!

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Sep 08, 2015 4:00 pm
davidbracey Offline
Member
Registered since: Aug 10, 2012
Location: Maidstone, Kent


Subject: Re: Engine Coolant Filters
I believe it is my LG45 that Radman refers to. It seems to do the job nicely.
David Bracey
This post has been edited 1 times. Last edit on Sep 08, 2015 4:01 pm by davidbracey.  

Sep 08, 2015 5:48 pm
bill Offline
Member
Registered since: Jun 08, 2011
Location: -


Subject: Re: Engine Coolant Filters
In the politest possible way, could I ask whether these filters would really have enough surface area to last any length of time before blocking ?
Even with the "top hat" type of filters the club (I believe) supplies there is very little total surface area and they soon block up - with annoying consequences. Wouldn't a "funnel" shape have even less surface area than a "top hat" - assuming the same length ?
 

Sep 08, 2015 9:40 pm
davidbracey Offline
Member
Registered since: Aug 10, 2012
Location: Maidstone, Kent


Subject: Re: Engine Coolant Filters
I've not had that problem Bill but my engine was pretty much built from new parts so didn't have years of accumulated crud to contend with. I see your point though.

In truth, after running my car in on shortish journeys with the filter I've since removed it as I didn't want to restrict any flow on long trips. I'm intending to replace it but haven't got round to it yet.
David Bracey
 

Sep 14, 2015 12:40 pm
Radman Offline
Member
Registered since: Sep 03, 2015
Location: -


Subject: Re: Engine Coolant Filters
Bill - many thanks for the polite reply - not always the case on line!
David - fear not that your filter will restrict flow - as long as it is not heavily clogged. Smaller Gano filters than yours are fitted to some very high output american V8s and work correctly.

I pondered long and hard about the merits of the design before contacting the manufacturer; the idea of a blocked in-line filter is discomforting. But the alternative remains that the radiator core gets blocked instead, a rather harder thing to clean than the filter! Indeed sometimes back-flushing alone can't solve the problem; recently looking at scrap cores samples at Star Engineering, particles combine with grease, oil and other gubbins to become aggregated into a solid mass. Horrid!
Certainly check the filter as regularly as possible at first; steadily the system will be cleaned and the device will need only occasional attention.
 

Sep 14, 2015 6:07 pm
bill Offline
Member
Registered since: Jun 08, 2011
Location: -


Subject: Re: Engine Coolant Filters
The particular problem with Lagondas I believe (especially the 4.5 litre) is that the type of material used for the blocks in the 1930s continuously eroded and could therefore quickly block radiators (and filters). It does not stop eroding and is still doing so 80 years later !
This may not be the case with the modern replacement blocks as presumably they are made with modern materials ? However it is still a problem for those of us with original blocks (like me !).
Anyone else care to comment please ?
 

Sep 16, 2015 9:42 am
Colin M34 Offline
Member
Registered since: Dec 01, 2007
Location: Suffolk, UK


Subject: Re: Engine Coolant Filters
Hi Folks,

I think the point about whether the modern replacement blocks give off the same level of crud as old blocks is very interesting.

I would like to add that the Northern Lagonda Factory recommended using a gent's sock as a filter. I do not know if a woollen one was particularly recommended but certainly proved effective. The advantage of a sock is that it has a a good capacity to contain the crud and a high internal surface area even when well filled.

Colin
 

Sep 18, 2015 1:00 am
bruffsup Offline
Member
Registered since: Aug 09, 2010
Location: Canada


Subject: Re: Engine Coolant Filters
Good points Colin but you missed one. You don't have to clean the sock , just chuck it out.
Barry Brown
Barry Brown
Bedford Mills Ontario Canada
 

Sep 18, 2015 9:23 am
Colin M34 Offline
Member
Registered since: Dec 01, 2007
Location: Suffolk, UK


Subject: Re: Engine Coolant Filters
Hi Barry

You are right of course! The "kit" includes a spare so when you sling the full one out you have a replacement on hand.
 

May 03, 2016 3:58 pm
newyatt Offline
Member
Registered since: Mar 04, 2016
Location: -


Subject: Re: Engine Coolant Filters
I've just taken out the sock from my radiator and I couldn't believe the crud that was in it. I can understand why the old radiator core was completely blocked.
 

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