is the breather hose from the valve cover leading to the intake runners necessary for performance? or can i omit that and just attach a breather filter of some sort?

the reason i ask is because even before the head job was performed, my engine always had this oil gunk where the head and the timing chain cover meet. it seems there is oil weeping in that area, even with the new gasket and head installed.

i was wondering if removing the breather hose would more effectively release blowby gasses versus routing the gasses to the intake runners... which i read doesn't have a strong a vacuum anyway...

i'm also having issues with a little bit of smoking at idle and during acceleration, i'm thinking(wishfully) that by cutting off the blowby gasses going to the intake runners would somehow lessen the smoking... because i would theoretically be lessening the amount of "fuel" reaching the cylinders... blowby gasses with atomized oil = combustible fuel right?

opinions?

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85 190E 2.3(SOLD)
86 230E (-->300D) sold
87 300D (-->300TD) sold
68 250S w/ a 615 and manual tranny (RIP)
87 300TD (SOLD)
95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded
86 190E 2.3... current project