Originally posted by Stu Cool
Check out this picture of an open system (breather on the valve cover) and a closed system (breather inside the air cleaner). Also check out the reference material here:

http://64.78.42.182/sweethaven/MechT...Num=4&modNum=6

They explain it much better than I can.

Pat
i agree with you on the pcv systems stu. im glade you came up with those diagrams.