Hell- I even run the 50/50 mix from Auto Zone-When I install heaters in RZR's I go back with it cause see zero difference in coolant temps over 10 years of using it
Have ran the Engine Ice in snowmobiles and it does keep temps down a bit but not worth the price.
Whatever you decide, Just make sure it good for Aluminum application.
I looked at engine ice and if you life in hot country I believe it has some real advantages with that said the winter protection is somewhat lacking with only good to -7F When I change I'm going to go with one of the citrus based coolants. JMHO