Started the car, temp almost immediately dropped and ran fine with no hot smell. I caved and ended up putting in a good gallon plus of water to bring the radiator full. Shut it down and then checked the radiator and sure enough, no coolant. Got about a mile or so to the in laws and the temp gauge was pegged and I could smell hot. Did not check for coolant as under the car when I pushed it away from the wall showed zero leaks of any kind and didn't give it any thought anyway. I did check the dipstick beforehand, clean oil at the correct level. Took it out yesterday to blow out the cobwebs. 5% is supposed to be the max in terms of water content. Drained it first including the block, filled the system, ran it to mix it up, drained that out since it still had water in it according to the spectroscope I bought to confirm the degree of water present, boiled the mixture to remove as much water as possible, refilled the system and repeated the last steps several times until I got a 3% reading which was as good as I could get. It's been about a year since I flushed out my 31 Olds and took a long day to get it to the correct almost 100% product in the system. Evans’ high boiling point means it will not turn to vapor.I bit on the ads promotion in terms of an overall more economical way long term to use this stuff. Hot engine metal, insulated by water vapor, becomes an engine “hot spot” that can cause pre-ignition and detonation. Vapor that doesn’t condense occupies a volume that displaces liquid coolant. Localized boiling releases water vapor that can only condense into coolant that is colder than the boiling point of water. Water-based coolant boils at a temperature only slightly higher than the operating temperature of the coolant. Different thermostats may increase flow volume because of less restriction. large tube multi row radiators that improve coolant flow. For example, multi-pass radiators will result in higher temperatures due to decreased coolant flow volume vs. The ability to lower the operating temperature depends on multiple factors, primarily coolant flow volume and air flow temperature. Certain systems that use incompatible components, have an existing problem, or are poorly designed could run hotter. Vehicles running under normal operating conditions should show either no change or a slight increase in temperature, but that will depend on cooling system configuration as well as driving conditions. Evans offers a Cooling System Flush for neglected cooling systems. Will I Need to Use a Chemical Flush or will Prep Fluid be Sufficient?įor neglected cooling systems or high mileage vehicles, a chemical flush may be necessary to remove rust, scale and residue prior to using Prep or Evans Coolant. Alternately, smaller quantities of Prep can be used to flush through a component, or plumbing. Fill with Evans Prep Fluid, run the vehicle to circulate and drain again. Allow to empty and force high volume air to purge remaining coolant. If you cannot fully drain the system Open the lower radiator hose and block drain plugs if accessible, and heater core. Check your owner’s manual for coolant capacity. You need enough to completely fill the entire cooling system. Heavy Duty Waterless Coolant: Heavy-duty diesel trucks, and off highway equipment Powersports Waterless Coolant: Motorcycles, ATV's, UTV's, and snowmobiles.ĮWC is a stand-alone coolant, not to be mixed with water. High Performance Waterless Coolant: Cars and light duty trucks. This is particularly important for cars stored for long periods of time. Lower Pressure: Evans’ lower system pressure reduces stress on hoses, seals and gaskets.Ĭorrosion Protection: The absence of water also means no corrosion and electrolysis. Heat management is improved as engine component temperatures are kept under control. Evans draws more heat from the engine, which may lead to slightly higher coolant gauge temperatures (by 10 to 20 degrees). The Benefits of Using Evans Waterless CoolantĮvans high boiling point virtually eliminates vapor in the engine, ensuring constant liquid-to-metal contact. The benefits derived from Evans can be achieved in most vehicle applications and engine types, although Evans’ performance may vary depending on cooling system configurations. Evans’ high boiling point and lower freeze point allow a wider and safer operating temperature range. The absence of water avoids the formation of vapor, high pressure and boil-over, and prevents corrosion and electrolysis. Apply Code: "GRIFF" at checkout to receive your discount & free shipping!Įvans Waterless Coolant provides distinct advantages over traditional water-based coolant.
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