You can get rid of that Y fitting on the passenger side of the carbs and run 1 line to the tee on the other side.The carbs are sucking oil from the intake that may be from the blower front where you need to relieve the pressure or it can push oil.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/