Hi everyone, It's been a long time since I've been here. I have a 1986 720 st 4x4 with a 2.4 fi engine. I rebuilt it about 30,000 miles ago. It has been doing fine except for one thing. It started getting blow by, (I guess that would be what you call it) back into the air filter about 10,000 miles ago. I'm not talking a minimal amount. I'm talking about a lot of oil. Enough oil that it is all around the tbi. Does anybody know why this happens? I have to get my truck smogged here in California and I am thinking it's gonna fail. I was thinking about changing the air filter and cleaning the engine, crossing my fingers and just going for it. Any feedback you all have would be greatly appreciated.