Cooling System Additive

I've used AMSOIL coolant boost in my 50/50 systems (don't have any straight water systems) and its improved my systems ability to heat up and cool down. It protects better and cools better than the very popular WaterWetter too.

http://www.amsoil.com/shop/by-produ...ator-coolant-boost/?code=RDCBCN-EA?zo=5188757