![]() ![]() Also sold as RV antifreeze to treat fresh water tanks. Propylene glycol sold as Sierra brand ( MSDS) coolant for many years. custom axles, HP Tuners VCM Suite.Ĩ7GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125Hĭexcool uses organic acid technology (OAT), the Anti rust etc Additives, causing problems and lawsuits. " THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Powerlog manifold, Northstar TB, LS1 MAF, 3" Flotech Afterburner Exhaust, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. That's why I still use old reliable ethylene glycol and distilled water 60/40 mixture., the 40% being the antifreeze. Bacteria, mold, and fungus can also survive and grow in Propylene Glycol. This can be very corrosive so additional chemicals are sometimes added to propylene glycol, to prevent acidic corrosion of metal components. Propylene glycol (Dexcool) oxidizes when exposed to air and heat, forming harmful lactic acid. It does have some benefits, but it isn't what they make it out to be. It actually makes a car much MORE likely to overheat, warp or crack something. When they say it makes a car less likely to overheat, they mean boiling over. That means on some engines you have the potential for hot spots, warping or cracks that otherwise would not occur. ![]() Don't quote me on that, but it's much lower. The downside is that it has a thermal transfer ability of I think 60-some % of standard coolant and water. The part that any company can patent is any proprietary blend of other crap they might throw in as "wetters" or anti-corrosives, just like pill manufacturers can patent the same drug with their proprietary mix of inert binders. Since nobody else said this, it's propylene glycol with a 200% markup. ![]()
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