3406E Oil bown out of breatehr on side of the engine

i had plugged up the breather tube on the block breather and used a newer style breather like the c15s on the valve cover. I replaced the in block breather and its leaking oil. Its its idling it wont leak but once its trucking along it will push oil oil out the breather tube. I will start looking at it tomorrow check the turbo which i dont think might be it ( previous owner replaced it during inframe) , air compressor, take off the breather on the valve cover and make sure its not plugged. The truck has 200k on a complete inframe by cat so i dont think that it might be a cylinder but who knows. Thank you everyone for your help it is greatly appreciated

 

with the help of Mr Haney i think what might have happened is that the breather came appart and a plate isnt draining the oil back into the pan and instead is pushing it out the tube. i plugged the tube did the oil change and had plenty of fun washing the truck from the oily mess it made and it has been working great