Waterless antifreeze, I use it, anyone else?
I started using Evans Waterless Antifreeze over six years ago and I have it in everything but my wife's Lexus, its next.
It boils at 375 *F, never has to be replaced, is good down to -70*F, then it contracts. Not harmful to animals, prevents cavitation. I love the old Mercedes diesels from the 80s, I still have three. The 86-87 300 SDL engine is like our 3vx, likes to blow head gaskets. While mine was still good, I put in the Evans, six years later and maybe 100K more miles, I'm still good. The day I installed it, I took the car on a 20 mile I-20 run, pulled off on a ramp and removed the radiator cap, all I got was a weak ptzzz. You can run with the cap loose and even without a cap if that's what you wanted, although I have not done so. Anyone else out there using it? Harry |
Never heard of it. I stick to OEM generally.
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I heard of the stuff but I'm in no hurry to change mine but I will be paying attention to how the stuff does in more and more real world applications as more people start to use it.
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Originally Posted by 24Runna
(Post 51046103)
I put a new radiator hose on my SDL when I first started using NPG+ and it still holds the original shape, no ballooning. Harry |
I'm still using it. I like that I never have to worry about boiling-over or hot spots on the head surface causing detonation or rust & corrosion in the cooling system. My only complaints are the initial cost of it, and it would be hard to find replacement coolant on the road if you ever sprang a leak. As a result I carry an extra gal with me all the time.
I've developed some good techniques for catching it, and reusing it when I change the t-stat or radiator or for some other reason have to drain the coolant. The catching part: http://inlinethumb01.webshots.com/44...600x600Q85.jpg Then before going back in I filter it in case some dirt dropped in: http://inlinethumb58.webshots.com/44...600x600Q85.jpg |
Thanks Dale, I'll follow suit when needed.
I appreciated reading about the extensive research you did on NPG+ before using it, good information. Harry |
I am going to use Prestone pre-diluted antifreeze when i do the 3.4L swap
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Wish I had known about this stuff when I went through the cooling system on my van or when I did the timeing belt on the 4runner.
They both have toyota red now, so I'll keep an eye on this stuff. I think it costs about what a gallon of toyota red does at the dealership. |
hmm makes me want to try it out.
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i want to get some also. I think that just the fact that there is less pressure would make it way harder too spring a leak...
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I'll be using it when I swap in my new motor in a couple weeks. Read nothing but good things.
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I have never used it but have only heard great things about it on several sites.
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i use distilled water in the summer.
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Originally Posted by spanish-road
(Post 51125008)
i use distilled water in the summer.
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Originally Posted by toyota4x4907
(Post 51125016)
ONLY water?
The only reason we use coolant/antifreeze is to increase the boiling point of the liquid and decrease the freezing point. Modern engines run really close to 200-210 degrees (which is normal by today's standards) and can even reach "safe" temps of 220-225 during hot summer days, long idling etc. Since water boils at 212 degrees, it would easily boil under those conditions which we don't want and that's why antifreeze is in use today. |
Originally Posted by marko3xl3
(Post 51125552)
The only reason we use coolant/antifreeze is to increase the boiling point of the liquid and decrease the freezing point. |
not only that but it also helps to lubricate the water pump. You can run distilled water but should run at least 20% coolant just to be safe.
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Originally Posted by turborich
(Post 51125627)
not only that but it also helps to lubricate the water pump.
I've looked at NPG, and while it sounds good, distilled water still has the highest "specific heat" of anything you can run in an engine (heat transfer ability). That and I worry about what happens if I need to top off while on the road. before anyone tries to convince me otherwise with a well worded marketing schpeel, I already read it on their site. If I had a perfectly sealed system I might give it more thought. |
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