I noticed latley that some oil has been leaking out through the valve cover breather. a friend of mine says it could be a sign of bad piston rings. anyone else know anything about this symptom??

 

Is it an open element breather, or the stock PCV connection?

 

i believe it is the stock connection

 

Check/replace your PCV valve and inspect the hose(s) to make sure they aren't plugged. Normally, when the engine's running, the intake draws a constant partial vacuum on the valve cover to relieve pressure from (normal) blow-by. If the PCV system is compromised, pressure will build up in the crankcase, even if you have a good ring seal.

 

put a catch can back on it