This liquid may be water (in climates where water is unlikely to freeze), but is more commonly a mixture of water and antifreeze in proportions appropriate to the climate. In automobiles and motorcycles with a liquid-cooled internal combustion engine, a radiator is connected to channels running through the engine and cylinder head, through which a liquid (coolant) is pumped. Especially if the water pump is oiled.hm.Coolant being poured into the radiator of an automobile It would hold less heat but if flow increased enough proportionally to the difference in heat capacity it might be livable.
If it was thin enough, upping the drive speed of the water pump could help a bunch. I wonder how a thermostat would handle something like this. Hydraulic oil sounds good though it's just a matter of getting it to expend heat quickly enough to not start heat-sinking the whole works. If we get into a mineral oil heat transfer fluid we are pretty far away from the starting point of motor oil as coolant, and just looking into alternatives to ethylene glycol/water.
Engine coolant oil crack#
I was thinking the hydraulic oil also tends to not emulsify like engine oil, it'd drop the water to the bottom so for that first run you could just crack the radiator drain and get the ick out of it. I think the oil would be just fine or even maybe better than coolant with most of the seals in it, it should be a lot more inert.
There is Quaker State 0W-5 engine oil but it would be $$$ for this. Like it's a less than optimal idea to begin with, but figuring out how far from optimal it is is the fun part. Now we're getting into too much complexity, though.Ĭould cavitation occur doing something like this, as well? I know water has high surface tension which makes it not want to get in quite around everything, would this be an issue for say a 7 cSt engine oil? Then again, water doesn't have a flash point.Īn overdriven water pump, no thermostat and cooling fans on all the time would probably help a little bit too. Kerosene has a similar specific heat capacity to ethylene glycol, within 10% of each other. I would be worried about the pressure of the system coming up if it was cut with something like kerosene, and if you get a leak you pretty much have an instant flash fire. The oil would have very low vapor pressure as well which makes it stable, but I am wondering if there is another petroleum based fluid with a flash point high enough and lower vapor pressure that has a higher heat capacity to maybe "cut" the oil with to get the flow rate up but still maintain the only advantages of the oil in place of water/glycol I can think of, which are corrosion protection and increased lubricity. Water above freezing seems to be pretty viscosity stable.
My big concern with this is that the oil's low temperature fluidity could make it a struggle for the water pump, especially seeing as some of them have plastic vanes or something, and could put undue stresses on it. Is it possible for you to get any Delo products or just a certain grade like the 15W-40? If you could do this with a straight 10W oil it would probably be just as good as the 0W-20.
Engine coolant oil free#
I'd probably put a heavier weight oil in the engine like a 15W-40 (some of your free Delo) because the oil temperatures are probably going to be higher. I am not sure if it would even be possible to "dry out" the inside of the engine before refilling the system. Yeah, first step would definitely have to be flushing out the cooling system completely so it doesn't emulsify with the oil and make a milkshake.
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