Tag Archives: absorb heat

Do Coolant Additives Work? John Baker|Feb 05, 2020 10:39 AM Store shelves contain several coolant additives that promise to reduce engine heat, control overheating and fight corrosion. Do coolant additives work? And, if so, are they necessary? It’s tough to top good ‘ol H2O First of all, why use coolant additives in the first place? Straight water is the […]