![]() If you’re using a 50/50 coolant, then your temperature maximum is 263☏. You then have a boiling point at 250☏ when the pressure cap is placed correctly. The traditional antifreeze or coolant formulation protects to about -34☏. Vehicles in almost every climate benefit from the use of waterless coolant. It provides a superior level of temperature protection for the engine. That prevents voids and corrosion, promoting longer and healthier engine life in every vehicle.ģ. Instead of relying on unknown supplemental additives to stop this process, there is no water to vaporize in the waterless coolant. That causes the coolant to get into your oil sump and foul the system. If those bubbles implode, the coolant will impact the liner wall with enough force to eventually compromise the system. ![]() Bubbles form next to the cylinder liners, flexing from the side thrusts provided by the pistons. If your engine runs hot, above 212 degrees Fahrenheit, the water in your system begins boiling. Water changes its characteristics when exposed to a high enough temperature. You receive a superior form of engine protection. When a vehicle leaks ethylene glycol, the results are very different, as it is poisonous to pets, small animals, and even children.Ģ. No harm is done if the product is accidentally ingested. Propylene glycol is used as a sweetener in many products, including medications. That limits the toxicity which comes with exposure to the product. Traditional antifreeze or coolant products use ethylene glycol instead. The waterless coolant manufactured by Evans is based on propylene glycol. There is a safety component to waterless coolant not found in other options. If you’re thinking about a transition from traditional antifreeze or coolant to this product option, then here are the critical waterless coolant pros and cons to review. Regular use may even extend the life of your engine. You’ll receive the same heat transfer qualities found in other coolant options, but with additional advantages which improve the reliability of the engine. Instead of containing water, it offers a glycol-based fluid that reduces (or eliminates) the problems seen in water-based cooling systems. That is why waterless coolant is an alternative to consider for any vehicle.Įvans Waterless Coolant is one example of this product option. Any coolant option which contains water promotes overheating and may contribute to premature engine corrosion. Even when you purchase antifreeze for your vehicle, most manufacturers encourage you to cut the coolant in half with water. Race tracks prohibit Evans products because they are flammable and slippery when spilled.The traditional coolant used for keeping engines at their proper temperature contains 50% water. Viscosity is 3-4 times higher than what OEM water pumps are rated to accommodate.Ĭoolant flow rate through radiator tubes is reduced by 20-25% due to the higher viscosity. ![]() Specific heat capacity of Evans waterless products ranges from 0.64 to 0.68, or about half that of water.Įngine octane requirement is increased by 5-7 numbers.Ĭomputerized ignition must retard engine timing by 8-10o to prevent trace knock.Īccelerated recession of non-hardened valve seats in older engines is possible, due to brinelling. Reprogramming ECU fan temp settings is mandatory to prevent the fan from running continuously. Stabilized coolant temps are increased by 31-48oF, versus straight water with No-Rosion. Inhibitor deposition occurs on aluminum surfaces, which could cause issues in some radiators.Įngines run 115-140oF hotter (at the cylinder heads) with Evans products. I have passed this on to Evans and asked them to comment back to me on the findings.Ĭonversion costs of $259 if you do it yourself, or over $400 if you pay a shop to do it.ĩ7%+ removal of all previous coolant is mandatory in order to prevent corrosion. I found a posting online by No-rosion that after studies posted the following.
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