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Why Not Propylene Glycol Coolant? - Page 2

post #11 of 12
Propylene Glycol / Water (PGW) is successfully used as an engine coolant in a lot of military applications. Military loves it since they don't need to worry about spill cleanup. Dump it right on the ground. It's also aircraft deicing fluid and gets everywhere on the tarmac.

It has a higher viscosity than an EGW @ similar freeze protection conc. and the net of the heat transfer properties in a heat exchanger mean a PGW cooled vehicle will have some balance of more cooling fan power/bigger heat exchangers.

Water beats both EGW and PGW.
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post #12 of 12
Quote:
Originally Posted by jlells01 View Post
Really?
Hmm, how's the WaterWetter working for you? Regarding your hypothesis on specific heat capacity as it relates to performance:
Discuss.
Who knows, Ive never seen corrosion in my block so maybe it helps... I would not expect any measurable gain/loss of performance at a 5-10% solution.

However I will say; when filling my loop, I pour in an ounce of it first, before the water. and then there are no bubbles and no noise.
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