Just replaced all my coolant with this and noticed that the engine is INDEED running cooler than it was previously - I am monitoring it on a SPA gauge and believe the sensor on it! Approx 10 degrees cooler at high speed cruise (80 degrees).
Great that this does contain an indicator for any head gasket issues and will return to the normal colour (red) once the issue has been fixed.
Overall a great product and certainly an in-expensive upgrade to your cooling system!
4-Life Advanced Engine Coolant/Antifreeze 5 Litres
Date Added: 10/09/2014 by Paul Lloyd