Just want to get a ballpark number out there of what you guys are using for intercoooler resv for fluid. Some people use 50/50 coolant or unmixed with distilled water which i read is a no bueno, i will end up just getting pre-mixed for my radiator. Either way, How many of you are using straight mixed coolant or fords GOLD for their intercooler/resv/heat exchanger. I would like to do good by my car this time since its a entirely new build. Previous i just used the radiator coolant 50/50 distilled mixed in the intercooler which is apparently a bad water mix and should use tap or pureified water. Be that as it may, 50/50 or Gold?