Originally Posted by
Cobra4B
If this is all you have then you could be getting oil into the intake and then having it come out the filter. You need cans on each of those lines on most tracked LS1s. At extended high RPM oil hangs up in the head and it can get forced out of the fresh air feed line (normally air flows into the head to balance PCV presure) and into the TB.
So your saying they need to go to a can and then back to the TB or just block off the TB ports and run these lines straight to cans?