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50% water and 50% antifreeze year round.
There shouldn't be any water or antifreeze in a tire! They are filled with air, not liquid. Antifreeze/water mixture is commonly used in tractor tires for extra weight to increase traction
The functioning of antifreeze is based on the observation that the freezing temperature of a liquid is lowered when something is dissolved in it. In theory, anything that dissolves in water can be used as an antifreeze. In practice, there are several limiting constraints. First is that the substance should mix together with water in any ratio. Some liquids are difficult to dissolve, or crystallize at lower temperatures. Second is that the antifreeze should be inert, that is, not react chemically with anything it comes into contact with in the cooling system. Third, it should be cheap; and fourth, it should not cause the buildup of unwanted pressure within the cooling system -- this means the antifreeze should have a high boiling point. The almost universally-used substance that matches all these specifications is ethylene glycol, which has a boiling point of 387°F. A cooling system that has a 1:1 ratio between glycol and water has a freezing point of about -40°F, ideal for the normal range of applications. Additionally Antifreeze has additives that help to lube the water pump, and inhibitors to keep rust in check. There is no really good, cheap, alternative at this time, although there are studies concerning using glycerin, a byproduct of turning Soybeans or Corn into Bio-diesel as an antifreeze substitute.
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Engine blocks can crack from many different reasons. Improper antifreeze ratio during freezing temperatures, internal engine component malfunctions (such as throwing a rod), etc.
It would depend on the ratio of your antifreeze mix (typically glycol and water). If mixed 1:1 or 50/50, the solution will freeze at around -40°C (which can also be represented by -40°F) More glycol = a lower freezing point
3 gallons of antifreeze and 1 pint cow spit
Coolant container will say if it is pre-mixed or full strength. If full strenght, mix it 50/50 with water. Pre-mixed coolant can be added "as-is"
32 to zero
Nothing as long as in cold climates it had the proper ratio of antifreeze to keep it from freezing. In cold climates all that should have to be done in the spring is have an oil change performed to eliminate excess water condensation that may have formed in the oil pan over the cold months.
Antifreeze is a liquid added to the cooling system of an automobile to ensure that the water within it does not freeze solid. The functioning of antifreeze is based on the observation that the freezing temperature of a liquid is lowered when something is dissolved in it. This something can be either a solid or a liquid. This phenomenon was originally discovered by the French scientist Francois Raoult in the late 19th century. Raoult also discovered that the degree to which the freezing point is lowered is linearly related to the number of molecules dissolved in the liquid. The decrease of freezing point in diluted solutions can be explained as follows. As the temperature of the liquid decreases, the molecules making it up move more slowly and experience an attractive force between each other. In pure water, at 32°F (0°C), this attractive force is powerful enough to arrange the water molecules in a regular crystal pattern, greatly decreasing their mobility and causing the formation of ice. In theory, anything that dissolves in water can be used as an antifreeze. In practice, there are several limiting constraints. First is that the substance should mix together with water in any ratio. Some liquids are difficult to dissolve, or crystallize at lower temperatures. Second is that the antifreeze should be inert, that is, not react chemically with anything it comes into contact with in the cooling system. Third, it should be cheap; and fourth, it should not cause the buildup of unwanted pressure within the cooling system -- this means the antifreeze should have a high boiling point. The almost universally-used substance that matches all these specifications is ethylene glycol, which has a boiling point of 387°F (197°C). A cooling system that has a 1:1 ratio between glycol and water has a freezing point of about -40°F(-40°C), ideal for the normal range of applications. Source: http://www.wisegeek.com/how-does-antifreeze-work.htm
It came from the factory with 50 % antifreeze / 50 % water mixture ( do not exceed 60 % antifreeze or drop below 40 % antifreeze - engine damage may occur )