How does Evans Waterless HDTC save fuel?
In spark ignition engines Evans Waterless HDTC coolant saves fuel by better control of metal temperatures and the avoidance of hot spots. The consequent reduction of knock permits more efficient spark settings on engines having electronic controls with knock sensing inputs. In heavy duty engines having on-off fan clutches, the “on” temperature can be increased to 230° F, keeping the fan off a large percentage of the time and reducing a significant source of parasitic drag.