Prognosis for using water
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Senior User
Joined: Nov 2007
Posts: 271
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From: DeWitt Ne.
Prognosis for using water
Ok, the 400 in my truck is now doing something else to make me worry. It is using water. I dont know if it is burning it off or what. There is no smoke at all and no leaks. I am down to straight water in it because i gave up on refilling with antifreeze. Any ideas on how much time this old truck has left in her?
Senior User
Joined: Feb 2009
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From: Southern NM
Engine running hot or losing coolant out the overflow line on radiator?See any compression bubbles or signs of in the coolant?Check each spark plug and see if there is any signs or no carbon or color on tip and insulator.Water/antifreeze makes a great carbon remover.Usually the cylinder that is burning the coolant will look almost new.Let us know what you find.
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Senior User
Joined: Nov 2007
Posts: 271
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From: DeWitt Ne.
Engine stays cool until it runs low on water, I will have to pull the plugs sometime this week, heat index is up to 112 tomorrow so it wont be then. No external signs of puking out of the overflow either. No sign of it in the oil either. 
