Sorry. Being in Canada, I have to laugh a little bit at this thread. I grew up on the Prairies (Saskatchewan) and if it didn't hit -40 C at least once a winter, it wasn't a real winter. We typically ran a 50/50 mixture of antifreeze/coolant and distilled water and that is usually good to -45 C. That said, the oil isn't good at that temps so typically we have some form of engine heater, e.g. an immersion type heater in on of the casting/frost plugs.
-25 C with a 50/50 coolant/water mixture should be fine with respect to freezing issues.
Of course now I live in Vancouver and -10 C is a very cold winter.
-25 C with a 50/50 coolant/water mixture should be fine with respect to freezing issues.
Of course now I live in Vancouver and -10 C is a very cold winter.
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