One caveat - even though there marketing literature claims it is lifetime coolant, the instructions that come with it state that you should replace every 100K miles. Since you aren't diluting it 50/50, you would purchase twice as much as with "normal" coolant. I would look up what is your coolant capacity for your car. I have done numerous flushes, coolant replacements over last 2 years and am getting close. ![]() I plan to convert my car but have been waiting to have a totally rust-free system. I lean towards the pro side -> it does make sense to me that the benefits outweigh any potential issues (which seem overblown to me). There is a lot of bogus information out there and pseudo-scientific analyses out there on whether it is better or worse than traditional coolant. I was just thinking about a different route this time. Evans is good for the life of the motor, does not degrade over time, and will not corrode your aluminum parts. So Evans has a slight edge in the safety factor. I have always ran a good antifreeze mixed to 60/40 - 50/50 with distilled water. The Evans Waterless coolant won't kill you if you drink it, propylene glycol will kill you if ingested. I is supposed to have a boiling point of 320 F, as far as I know its not an additive. Can I add water to Evans Waterless Coolant A. From their FAQ: Evans Waterless Engine Coolants - FAQs - frequently asked questions Q. Both of the glycols are totally miscible with water. You can spend hours going down that rabbit hole and end up with your head spinning. I was just wondering about the waterless coolant by Evans. The Evans Waterless is just a mixture of Propylene Glycol and Ethylene Glycol and a few proprietary chemicals. Lots of debate out there on the pros and cons. That said, I don't drive me E-Type if the ambient air temperature gets above 90F due to concerns of overheating (which it did, at least with the old fan setup, but only in stop-and-go traffic) The waterless coolant may be enough to alleviate that concern.Oh boy! If you read all the posts out there across numerous automobile forums, this is along the lines of "which is the best oil for your car?". This would likely not be an issue with a car that generally runs reliably within normal operating conditions, but if the car already has a marginal cooling system or overheats, then the coolant is likely to get quite a bit warmer than a traditional water/antifreeze mix which would have you stopped long before things got that hot as it boils over. The engine may be fine but I don't know what other side effects I might run into, especially in terms of long term durability. My largest concern is the significant increase in operating temperature that certainly can go outside of the design spec of the engine. A new cooling fan setup has fixed that for now, but there really isn't much extra capacity in the cooling system. I have yet to try a waterless coolant in any of my cars, but have been tempted a couple of times, such as on my series 1 E-Type, which has frankly always been running towards the edge of it's cooling capacity, especially on hot days. In traditional antifreeze, the additives do break down over time and stop preventing the electrolytic corrosion, which is a big part of why you have to change your coolant regularly. My understanding is that the waterless coolant doesn't do this, though I don't know if that is because of additives or simply the lack of water. ![]() This is also why you never run just water in a Jaguar XK engine. Evans Coolant is mainly propylene glycol plus a little ethylene glycol plus anticorrosion package. This is generally worst around the coolant ports between the block and the head and can compromise the head gasket interface. Re: Evans Waterless Coolant - 06/11/18 08:52 PM Bulk propylene glycol can be had for less than 20 per gallon plus tax and freight. ![]() NPG can be used in high performance street vehicles with high flow. Without the additives in the antifreeze in a traditional water cooled radiator, the aluminum of the head gets eaten away due to the electrolytic action between the alloy head and the iron block. propylene glycol-based coolants are allowed but there is a No Ethylene Glycol rule. Evans Waterless Coolant reduces Pressure, Corrosion & Pitting.
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