[boostm3]

>> don't think I would. If it is cold enough to freeze the lines with 50/50 probably can just disable the water injection during those times. Also by the time the car is warmed up during those cold temps haven't the lines thawed or was the nylon hose breaking<<

Thanks for your comment. Sure, Id have no problem fusing the WI off in temps that cold.. But I was just afraid of the lines expanding and cracking with the ice in them.. I guess the 4mm nylon hose just isnt thick enough to hold enough alky to prevent cooling, or something. I dont know. it was pretty strange seeing the 40-50% meth mixture freezing in those lines, although in the tank, it was fine. I was afraid that, in the pump, also, any of the mixture might freeze, and crack vital internals or something. Nothing had actually broken; it was just the ice in the 4mm hose that got me scared of what might be!