Hi Paul,
AH engine is all cast iron and may have older hoses and gaskets. So I would be
hesitant to use an OAT due to potential hose and gasket degradation.
My recommendation would be to use a nitrited coolant to protect the cast iron,
such as Zerex G-05 (or some BASF equivelant). If you want to go conventional
coolant make sure it has nitrites (commonly found in heavy duty diesel
coolants).
Not sure which Castrol product you are looking at, tell me the ingrediants off
the back of the bottle and I can give you an opinion.
I've used Zerex G-05, its an extended life coolant with nitrites for cast iron,
silicates for aluminum(radiator) protection, azoles for yellow metal and a high
dose of benzoic acid to long life protection of most metals in the engine.
Good luck
Mal Hickok
rft2 at aol.com
269-207-5074
-----Original Message-----
From: Paul Leeks <paull at glasgows.co.uk>
To: <healeys at Autox.Team.Net> <healeys at autox.team.net>
Sent: Sat, Aug 19, 2017 12:12 pm
Subject: [Healeys] Which coolant/antifreeze?
Hi all
I need to replace the coolant/antifreeze and was wondering if it mattered what
type I used?
AH Spares has Castrol anti-freeze at ?11 / ltr, whereas Halfords (local high
street car store) has OAT Antifreeze Concentrate at ?5 / ltr.
I live in temperate Lancashire UK, so I don't need to cope with any temperature
extremes.
So, can I just use the modern one?
Many thanks
Paul
100/6 BN4
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