I just purchased a 1969 Camaro that came with an Aluminum Radiator(don't know the brand, its not on it anywhere) and aluminum heads/intake. I was getting the car ready for winter storage and tested the coolant and it didn't go past 0 to -12 degrees F, which I thought was low. Problem is that the coolant is a transparent pink color. Does anyone know what kind of coolant this is? I am assuming that it is for compatibility with aluminum, bit i have never seen a coolant color like this. After some research, the only pink coolant I could find were from VW and Toyota. I don't see why they would have put these in there, so is there any other brands that are pink that i don't know of? If I should switch the coolant out to a different brand, which one(s) are best to use for the aluminum Rad./Heads?
Also, I read somewhere that an open cooling system is not good for aluminum. Can someone explain why and is this only for certain coolants or all of them? My car has what looks like the cap that came with the radiator and an over flow hose that just runs to underneath the car. No overflow tank. thanks for the help.
Also, I read somewhere that an open cooling system is not good for aluminum. Can someone explain why and is this only for certain coolants or all of them? My car has what looks like the cap that came with the radiator and an over flow hose that just runs to underneath the car. No overflow tank. thanks for the help.