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.
Bump: dear all sifu, just wonder if it possible to service the roof glass or not? Mine one i saw the part that join to the connector side of the car have a gap between the car body and the roof glass. Not sure can it...
can single plate clutch stand the turbo engine power at 300hp at the wheels? i'm using ogura single plate clutch at this moment, normally turbo engine use twin plate if i'm not mistaken, any comments or opinions...