Originally Posted By: Craig in Canada
First, the discussion is about whether WW reduces temperatures, not whether it saves fuel. In that context your point doesn't disagree with anything I said - if the t-stat is operating to regulate engine temperature, the engine temperature is unchanged with...
Originally Posted By: Craig in Canada
Surfactants (which WW is) enhance heat transfer. This doesn't necessarily mean your engine will be any cooler, but heat will transfer in and out of the coolant more readily.
If you're cruising on the highway, your engine temp is probably being regulated by...