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<font color="black" size="2" face="Arial, Helvetica, sans-serif">Hi Paul,
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<div>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. </div>
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<div>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).</div>
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<div>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.</div>
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<div>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.</div>
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<div>Good luck<br>
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<div><strong><font face="Comic Sans MS, sans-serif" size="3">Mal Hickok</font></strong></div>
<div><font face="Comic Sans MS, sans-serif" size="3"><b>rft2@aol.com</b></font></div>
<div><strong><font face="Comic Sans MS, sans-serif" size="3">269-207-5074</font></strong></div>
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<div style="font-family:helvetica,arial;font-size:10pt;color:black">-----Original Message-----<br>
From: Paul Leeks <paull@glasgows.co.uk><br>
To: <healeys@Autox.Team.Net> <healeys@autox.team.net><br>
Sent: Sat, Aug 19, 2017 12:12 pm<br>
Subject: [Healeys] Which coolant/antifreeze?<br>
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<div dir="ltr">Hi all
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I need to replace the coolant/antifreeze and was wondering if it mattered what type I used?<br>
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AH Spares has Castrol anti-freeze at £11 / ltr, whereas Halfords (local high street car store) has OAT Antifreeze Concentrate at £5 / ltr.</div>
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<div>I live in temperate Lancashire UK, so I don't need to cope with any temperature extremes.</div>
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<div>So, can I just use the modern one?</div>
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<div>Many thanks</div>
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<div>Paul</div>
<div>100/6 BN4</div>
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