if am not mistaken both are the same, function as below
An oil catch can/tanks purpose is to separate and hold (catch) any oil and/or oil vapors from entering the intake or atmosphere through the crank case ventilation system.
The OCT is to catch oil vapour from the PCV valve that's usually routed to the intake manifold / TB.
Breather tank is to ensure coolant it not wasted in a radiator / cooling system. Not exactly sure why you'd need one since we have a overflow reservoir.
Hi there to all the sifus out there. Frankly speaking im very new in all these turbo stuffs and would appreciate that you guys would help me on this. Ive just converted to an Evo III engine and one thing that i...