Evans Coolant

I was just watching an episode of 4wd pro tips and this product was advertised. I too am wondering if anyone here has switched to it and have good or bad experiences with it.

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Originally Posted by nipagu7

I think in a normal cooling system the coolant heats up over 100 degrees causeing water to become steam , creating pressure . coolants help transfer heat out thru the radiator a little faster but i think that is a byproduct of their main job , that is , stopping corrosian , which would otherwise build up and form an insulating layer between the water and radiator flutes and slowing heat transfer . In the long term corrosian would block the radiator as well as corrode thru it and the engine block and head . If you heat up fluid it must expand , but it may it may be minimal . Without water in the mix it might not gas ( steam ) off , thus negating the need to pressurise the system . But never use straight coolant , it is acidic and will eat thru your radiator and block. This evans coolant looks interesting .

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Pretty much agree but the water doesn't become steam at 100 degrees.
The cooling systems are pressurised to raise the boiling point so it doesn't become steam.
If you get steam in your cooling system it is really bad juju and the temp will rocket up.

The boiling point in a 10 PSI water only system is around 115 degrees C and a 14 PSI cap will be around 120 deg C
(rough rule of thumb is 1 degree C per PSI)
Other additives and coolant mixes will raise the temp further

On the rare occasions it got that high I used to back off at 105 to 108 on the Scangauge in my CRD which is also when the temp gauge moves towards the upper end of the "operating band".

The fact sheet shows its boiling point. http://contrails.free.fr/temp/NPG+_MSDS.PDF Around 190 degrees C.

On second thoughts I'll stick with what I've got, because I have to remove the radiator every 100000ks to replace the Timing belt.

I googled some ppl who used it and the overall feeling is things will be warmer even your oil temp.
You need a few things going for you in a cooling system a radiator thats big enough for the motor,
A decent fan to pull/push sufficient air through through the radiator, A decent water pump
and a block thats free of scale and other nasties.
If you are thinking of using this I'd suggest you get the radiator,fan and water pump right.
And get a thermostat that suits the climate you're in, going warmer in a thermostat is not necessarily
better a colder one might hold the water in the radiator longer.