oil in intake

[93stang burden]

If you pull off the top of your intake and can see and rub the oil off the inside of the intake i belive that this is a little excess. maybe this is causing my spark knock. i have within the last 2 months replaced the pcv valve and little screen. today even put on a cheap ebay oil catch can. But why would i have so much oil in the intake??

 

[stykthyn]

the catch can should eliminate the oil in the intake. Personally I would like to move the pcv from the intake to a valve cover.

 

[93stang burden]

if i move it to a valve cover then just plug up the pcv hole??