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  #13  
Old 06-25-2010, 03:40 PM
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Re: Engine Valve ???

thanks Ryan exactly what I needed to know. cool I kept the tube that came with the bwoody so I will put that on for the smog in a couple years. Does that help with efficency at all? Seems akward to recirculate vapors back through engine...but makes sense from an emissions standpoint.
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  #14  
Old 06-25-2010, 04:10 PM
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Re: Engine Valve ???

My truck was shooting oil out of there when I had a filter on it. Now I have a second catch can attached between there and the intake tube.

You should install a catch can in your PCV line as long as you're screwing with it. You probably have a pool of oil in your intake manifold without one.
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  #15  
Old 06-25-2010, 04:16 PM
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Re: Engine Valve ???

Is that becuase the vaccum from the intake is not pulling it out and runing it back through the TB? Where was the oil coming out? I do seem to have some oily residue at the base of the PCV circular housing...is that where yours was coming out?

Fawk Mike now you got me all worried HAHA
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Old 06-25-2010, 05:01 PM
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Re: Engine Valve ???

No, its because the Hemi, like most larger displacement pushrod motors, has blow by issues and a poor designed PCV system. We have it, the LS motors have it, and alot of the crate motors from Mopar and GM have it.

What happens is when the oil collects in the manifold, some gets sucked into the combustion chambers and causes knock, because oil doesn't combust.

Or on the breather line, the motor literally sucks the oil out of itself. At WOT theres so much vacuum that it draws the oil through the hose from the valve cover and into the intake. If you lift, you get a oil soaked air filter. If you don't, it ends up in the manifold.
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Old 06-25-2010, 05:50 PM
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Re: Engine Valve ???

wow I think I am starting to understand. so the oil/fumes that are now being directed through the filter I added would normally be running back through the intake/TB/IM to combust rather than "escape" like I am allowing it to...correct?

So, by me adding that filter and not allowing those fumes to recirculate through the engine, can I cause ANY problems? IMO it seems like that would have little effect, and even make it a little more efficent, just not enviro friendly.

Then as for the catch-can...does the mod I did with the filter and the CC need to work hand-in-hand to ensure I don't cause any issues?

I really appreciate your help Mike...seriously dude I was totally lost for a min, and now I see the map just need a little direction
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Old 06-25-2010, 07:01 PM
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Re: Engine Valve ???

Quote:
Originally Posted by 08Hemi View Post
ok guys I am confused so I ned a litttle help.

Got it, EGR is the copper tube pass side of the TB. Very hot, I have touched it, and I would recommend not touching it. HAHA

PCV hose, marked in green, goes to the black circular housing that has the PCV valve in it.

SOOO WTF is the tube that connects to the nipple on the intake and runs across the engine to below the oil cap (pic below)????? I replaced it with a filter b/c I was sick of the tube...what exactly did I do other that IMO clean up the engine bay a little?? Thanks for the help guys, I feel like a total newb

Think the one he referred to is the fresh air makeup to the crankcase on the LHS fwd of the engine. Rubber hose/metal tube/rubber hose combo runs from the combustion air intake box to the crankcase. Makes up air pulled out by the PCV valve. Tap point is downstream of the air filter element so it's not dirt-laden.
Use of a separate filter in place of the factory plumbing should be acceptable and not affect emissions controls performance. As stated, it does clean up the area.
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  #19  
Old 06-25-2010, 07:04 PM
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Re: Engine Valve ???

Yep that's exactly what I was talking about! Thanks a lot bro for the clarification...when u start right into new mods on a new platform I can get confused so my apologizes if I misled anyone!!!
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Old 06-25-2010, 07:17 PM
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Re: Engine Valve ???

Quote:
Originally Posted by 08Hemi View Post
Yep that's exactly what I was talking about! Thanks a lot bro for the clarification...when u start right into new mods on a new platform I can get confused so my apologizes if I misled anyone!!!
Happy to help and give back what others provided me earlier. We learn by our mistakes. The "job" of the other forum members is to prevent you from making any major ones.

"Good judgment comes from experience; experience comes from bad judgment."
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