RC cooling system

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  Finished engine rebuild. Filled radiator to just below overflow tube and started engine. Success,it runs!! However, after running for maybe 5 minutes, water came pouring out of the overflow. Stopped engine to investigate and found water level in radiator just above 
core.  lost abouit 2 quarts water because thats what it took to refill. started engine again.
Just starting to show increase in temperature, tank was still cool, and it overflowed again. 
What is the normal water level? Am i putting in  to much water? 
 This was a complete teardown and rebuild, clean block, new sleeves, new thermostat.
Am i missing anything? Any and all suggetions greatly appreciated as i am at a loss as 
what to do next. Thantks, George 

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GeorgeinNJ Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 11 Sep 2009 Location: Sussex Cty. NJ Points: 26	Post Options Post Reply Quote GeorgeinNJ Report Post Thanks(0) Quote Reply Topic: RC cooling system Posted: 03 Aug 2012 at 10:24am
	Finished engine rebuild. Filled radiator to just below overflow tube and started engine. Success,it runs!! However, after running for maybe 5 minutes, water came pouring out of the overflow. Stopped engine to investigate and found water level in radiator just above core. lost abouit 2 quarts water because thats what it took to refill. started engine again. Just starting to show increase in temperature, tank was still cool, and it overflowed again. What is the normal water level? Am i putting in to much water? This was a complete teardown and rebuild, clean block, new sleeves, new thermostat. Am i missing anything? Any and all suggetions greatly appreciated as i am at a loss as what to do next. Thantks, George

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Alberta Phil Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 13 Sep 2009 Location: Alberta, Canada Points: 3927	Post Options Post Reply Quote Alberta Phil Report Post Thanks(0) Quote Reply Posted: 03 Aug 2012 at 11:10am
	My WD does the same thing. New rad and everything. It seems to set it's own coolant level in the top tank that it likes and stays there. It never overheats and has been like that for the 10 plus years I have had it in daily use.

Coke-in-MN Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41981	Post Options Post Reply Quote Coke-in-MN Report Post Thanks(0) Quote Reply Posted: 03 Aug 2012 at 11:14am
	Use to figure 2" down from the overflow , this allows for expansion and for any air trapped in water to be relieved without creating a overflow. Non pressure systems need that room.
	Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.