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MX | Off-Road Gear Info & Reviews
Engine Ice? or Engine Hotter
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[QUOTE="old#48, post: 374363, member: 32272"] Here's a link that shows a glycol comparison chart which compares ethylene glycol, propylene glycol, and Enviro-Kool which is a high-performance industrial heat transfer fluid. [URL=http://www.enviro-kool.com/]****Glycol Comparison Chart****[/URL] It shows that E.G. is better than P.G. from a heat transfer standpoint. You will see that the differences between the P.G. and E.G. are not all that huge except for the viscosity difference. Note that the viscosities shown are for a low temperature. When the fluids are hot, the viscosity of E.G. is still less than P.G., but the difference is not nearly as huge as shown for low temps. At 180 degF, the viscosity of 50/50 E.G. /water is about 13% less less the viscosity of 50/50 P.G. /water. (As stated earliler, the lower the viscosity, then the better the convection heat transfer). Here again, my point is not that E.G. has better heat transfer characteristics than P.G. My point is that, in my opinion, IF EngineIce is basically 50/50 propylene glycol in dionized water, then there are some questions here that need to be considered because of propylene glycol's heat transfer performance vs. ethylene glycol. I DO NOT RECOMMEND using the Enviro-Kool for automotive/motorcycle applications since it doesn't seem to have any of the usual ASTM test approvals that automotive and motorcycle antifreeze's have. I think if the EngineIce coolant does, somehow, in fact, show a cooler temperature than regular ethylene glycol 50/50 in water, then I think the actual engine parts themselves must be holding the heat and get hotter. I would like to see actual test evidence on how well this stuff works - something like they show for WaterWetter on Redline's site. This evidence would need to show the temperature of the cylinder, cylinder head, and the coolant temp for EngineIce, propylene glycol 50/50 in distilled water, and ethylene glycol 50/50 in distilled water. [/QUOTE]
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MX | Off-Road Gear Info & Reviews
Engine Ice? or Engine Hotter
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