50/50
Always use antifreeze. Water does not have any water pump lubricants or anti corrosion properties, antifreeze coolant does.
The use in modern engines is not recommended because of the high temperatures encountered by the coolant. Etylene glycol or other antifreeze products also raise the boiling point of the water, to better avoid overheating.
Yes and no. It can depend on the condition of the coolant and type of antifreeze used. Some vehicle engines produce more rusts and corrosion than others. Some types of antifreeze are rated for a longer use than a regular maintenance schedule. Sometimes it is better to replace coolant with a new mix before a regular maintenance schedule. (Distilled water is suggested to be used for an antifreeze mix, use of tap water can potentially degrade the performance of an anti-freeze mix sooner )
You make sure to let it thaw out before you drive it. The real risk is that it won't thaw out, then, when the thermostat opens, there'll be nothing to go through and cool the engine down. Water is actually a better coolant and has better heat transfer properties.. however, it doesn't function well as an antifreeze, and also lacks the necessary lubricants for the water pump. You should probably go get a coolant flush done and get proper coolant that's rated to -34.
More than likely it takes less than a gallon,...of antifreeze. It WILL hold more coolant than that however...remember it's a mixture....better still go to a mechanic and have him do a drain and fill.....that way you get it (the mix) right.
Look carefully around your engine bay and identify parts. The windshield washer, oil, trans, and coolant lids are almost always marked on top. You put the antifreeze in the radiator or coolant overflow bottle. You often have to drain or remove some water first. - Better yet, get a manual for your car so you can understand it and do simple maintenance.
During the summer your engine would actually run hotter because antifreeze has a lower specific heat than does water. (That means a pure antifreeze solution will act as a better insulator than water---less heat will be transferred through the pure antifreeze solution.) Even during the winter, a 100 percent antifreeze solution isn't a good idea. A pure antifreeze solution actually provides less protection against freezing than does a mix solution.
If an engine has no water or antifreeze in it, it is better off than an engine without the proper anitfreeze to water ratio. You can buy a tester to determine the actual low temperature the water/coolant is safe down to. If the vehicle is not running and it only has water in it, cut the lower hose and let the water drain out and this will prevent the engine from freezing up and possibly busting the block or popping out the freeze plugs. If it has coolant in it you can drain the coolant and recycle or dispose of it properly according to local regulations.
Coolant I believe.
I just changed the thermostat (the old one was stuck open) on my 96' Explorer. The temperature gauge will fluctuate now, getting pretty hot then dropping kinda cold. It will stabilize after you drive for a while. There is so much coolant that I think this is a way to get it all warmed up? I'm not sure, I used to have a Honda. I do know that the Exploder is running better, getting better mileage- so everything seems to be fine.
what ever color you like buddy i prefer the black thick stuff, the thicker the better helps keep moving parts from moving and that's how you make a car last forever baby.
You may add coolant mixture to the bottle inside the fender at any time. It is safer to add to the radiator when the engine has completely cooled 3-4 hours.