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Flushing closed cooling system

crofoot

NAXJA Forum User
Location
woodinville wa
Just got done.Made this overflow tube to keep the flow of crap in control.Took old radiator cap and drilled 3/4 hole in top and 3/8 hole in inside of the cap to increase flow where the 1/8 inch hole was.I then took a 1/2 inch IDx3" threaded black pipe nipple srewed that into the top slid a piece of old hose over other end and ran that into a pail on the ground. This worked much better than the water just flowing out the top of the bottle and down.Would attach a pic. if I could figure out how.
 
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