[Healeys] Coolant Mixture

[Oudesluys]

Whatever mixture you are going to use, use demineralized/distilled water.
I prefer to use premixed coolant that will protect my engine to about 
-30:C and protect against corrosion of aluminium combined with iron, 
although the temperature over here rarely drops below -10:C and 
regularly there is no significant frost all winter. As an alternative I 
would use a 50/50 water/anti freeze mixture.
Both would provide adequate corrosion protection and lubrication.
If there is no possibility of frost I would go for pure water with an 
appropriate corrosion inhibitor and lubricant.
Kees Oudesluijs
NL

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