Quote Originally Posted by MpG View Post
Yeah, do some research over in the Chilled section, because things like acrylic and plastic don't always play nicely in really cold temperatures. Anti-freeze/water should work for coolant. And if it manages to freeze, well, so did your car.
thats because there running an ethanol based coolant.

Quote Originally Posted by Vapor View Post
Then you misunderstood what I said

The water is the electrolyte but you need to complete the circuit electrically for galvanic corrosion to occur and water cannot be both the electrolyte and the 2nd electrical pathway. Basically, as long as the copper and alu aren't touching (or connected by other metal components, such as screws), you'll be fine.
Oh was that it??? lol oops.. :P