In addition to the 2 areas you covered, coolant also raises the boiling point. Check the back of just about any container of coolant for this type of info.
The whole thing is catch-22 - you use too much and lose heat dissipating capabilities; you use too little and you lower the boiling point and invite corrosion.
1991 300-SEL - Model 126
M103 - SOHC
James Madison - Oppressors can tyrannize only when they achieve a standing army, an enslaved press, and a disarmed populace.
Liberty Firearms Training - After years of trying to regulate California criminals with a never ending stream of gun control laws they have still not given up with the belief that if they make something a crime that criminals will miraculously start obeying the law.