I'm in the process of installing a Provent 200 to hopefully catching ALL the oil from the crank case. My modified oil catch can with wire mesh inside didn't catch enough oil.

Provent 200 is rated for 335hp.

https://oe-products.mann-hummel.com/...ilation_EN.pdf

https://www.youtube.com/watch?v=FrvciHy2wD8

Provent 200 ports are 1 inch OD, I had to buy adapters from "Down Under" to change them to 5/8 inch OD and buying all kinds of 5/8 hoses and adapters to make it work in my car.

To be continue