Best Oil Catch Can Setup / Routing For BNR S4

Discussion in 'Mazdaspeed 3/6 Engine' started by originalmarshmello, Nov 26, 2022.

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  1. originalmarshmello

    originalmarshmello Silver Member

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    Hello all, I am looking for opinions or facts on which oil catch can setup is best for running a BNR S4 or similar sized aftermarket turbo. I’ll be using a HTP 3.5” intake which does have a port for pcv.

    I am already running a Damond Motorsports Stage 1 kit with VTA, and planning on getting a second one for the crankcase to intake ventilation line. Here is my current routing:
    upload_2022-11-26_11-54-30.png

    Here are my routing setup options I am aware of thus far. Which should I pick and why?

    Option 1:
    upload_2022-11-26_11-56-41.png

    Option 2:
    upload_2022-11-26_12-0-45.png

    Option 3:
    upload_2022-11-26_12-2-31.png

    Thanks guys!
     
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