allis chalmers 200

does any one have an answer for this. less than 1000 hrs on engine overhaul. last summer ran water in radiator all summer when hose blew and lost all antifreeze come time to put her away for winter drained water filled with antifreeze didn"t even get to storage barn antifreeze low and in the oil come spring get her out. did radiator pressure test 15 lbs for 3 days with oil pan off no leaks up to 20 lbs over night still no leaks put oil pan back on filled with water ran all summer mowed about 250 acres of hay didn"t have to add to radiator at all and ran like a top all summer. drain water add antifreeze for winter storage. you guessed it antifreeze back in oil does any one ever had this happen before seems like if it was a head gasket or a sleave o ring it would do this all the time I even put a new turbo on it
 
Pull the valve cover and check around the pipe plugs. Also check around the injectors 301 heads are known for cracking.
 
Hhhhmmm thats odd, never heard of this before , you would think the water would go into the oil before the anti freeze??? You done the right checks by pulling the pan and pressure testing the system for O ring leaks as that would be my guess
 

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