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Reply to "Shonky coolants"

There was no rusty crud in the water when I drained it and no overheating in the 10 hrs of running time.

Plain water does not corrode cast iron very fast  and does not corrode brass at all. Also plain water does not eat away engine enamel.

There was something weird in that coolant. It was more than normal corrosion, there was some kind of electrolytic reaction.

Last edited by ausford
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