Well the other day i pulled the cai off the truck and found a decent amount of crud and oil in the TB.
I pulled the TB off the intake and cleaned it up real good. Stuck a rag around my hand and ran my arm into the intake and kinda wipped around in it.
There was a little film of oil but not alot.
But the TB had oil coming from the little hole on the upper left hand corner.
The hole that has a line running from the left side head basically.
What can i do to prevent this unwanted oil from getting into my TB/ Intake?

I have the ls6 pcv conversion by the way just oil getting in from the other side now.

 

With my 99 I had oil sucking up the breather line on the pass side valve cover. Ended up going to a breather cap and plugging the line at the TB. Oil problem was gone.

What I thought about doing originally was t-ing both of those lines into my catch can. But I never got around to doing it. But I did keep the AMW can and put it on my 04. Man that baby works!!

 

Any chance ya got a pic of the vented cap/plug?
I might end up doin this cause that tb was horrible looking/feeling.