2g intake question

[tmannix]

Hi. I just got a air intake from dejon powerhouse for my 98 eclipse gs-t. why doesn't it have the little nipples that the little tubes go on it like my stock one? Can anyone help me with this? Thanks, Tom

 

[Apeximprt2nr]

You probably ordered the piping without them. They give you the option for them or not. Its alright if you don't have them. The 2 in the back are the charcoal canister (left) and the other in the back is the breather hose from the valve cover. the bottom one in front is just for the BCS.
Just makle sure if you have them disconnected you run a catch can to the breather hose and you can leave the charcoal canister hose hanging but you may smell some fuel, that's normal. The BCS hose in the front can also just hang.

 

[Zmann42087]

Does your Dejon intake pipe have any of the nipples/bungs?

If I remember correctly there are three small hoses and one big hose running from the stock intake pipe. The small hoses are the valve cover vent hose, the charcoal canister hose, and the (stock) boost control solenoid hose. Honestly, you don't really need the hoses running from the valve cover vent or from the charcoal canister. However, you probably will be defeating emissions if you leave them unplugged. The third small hose (the boost control solenoid) should be left plugged to your intake pipe in unless you have a MBC or EBC.

The big bung is the most important. It allows you to recirculate your BOV... a must for your vehicle to run properly.

 

[pooker]

Does your Dejon intake pipe have any of the nipples/bungs?

If I remember correctly there are three small hoses and one big hose running from the stock intake pipe. The small hoses are the valve cover vent hose, the charcoal canister hose, and the (stock) boost control solenoid hose. Honestly, you don't really need the hoses running from the valve cover vent or from the charcoal canister. However, you probably will be defeating emissions if you leave them unplugged. The third small hose (the boost control solenoid) should be left plugged to your intake pipe in unless you have a MBC or EBC.

The big bung is the most important. It allows you to recirculate your BOV... a must for your vehicle to run properly.

If you just unplug the vc vent without any breather on it be prepared to have some nice oil splatter in your engine bay...

 

[Zmann42087]

If you just unplug the vc vent without any breather on it be prepared to have some nice oil splatter in your engine bay...

Sorry, I forgot to mention that... but the guy above me did so its all good.

Yes, if you unplug the valve cover vent hose either put a small filter on the VCV (left side of the valve cover) or even better an oil catch can.

 

[kenamond]

If you're not set up for it (blow-thru setup), you need to recirculate your BOV. The intake pipe should have a large pipe on it for this. If it doesn't, get the right intake pipe.

The VC breather line should connect to your intake pipe. You can send it to a catch can, but you may have rough idle. When you're idling or under moderate load, the intake manifold is under vacuum, the PCV valve is open, and air is being sucked through the VC breather, through the PCV into the intake manifold and into the combustion chamber. Normally, the VC breather is connected to the intake pipe, so any air which it sucks in will have already passed through the MAS and been metered. Since you'd be sucking air that wasn't metered, the ECU will not know about it. You'll have more air than the ECU thinks you have, and it will inject too little fuel, so you'll be running lean.

As was mentioned, if you don't have a catch can for the VC breather, you'll maybe get some oil under the hood. When the motor is under enough load and the IM vaccuum is less severe, blow-by, intake valve leaks, and PCV leaks will generate crankcase pressure which gets vented out the VC breather. Although there are baffles in the valve cover to prevent oil from gushing out the VC breather, some does make its way out. Just don't plug it up, or you'll pressurize the crankcase under load - boosing your crankcase isn't recommended.

If possible, you might want to consider contacting Dejon and seeing if they can trade you for the correct unit.

Is the outlet size of the intake pipe correct for your turbo? Dejon offers various outlet sizes, and if it's too big or too small, you may not have enough room to get a reducer/coupler between the intake pipe and the turbo (it's a pretty tight squeeze in my car).

Some things to think about.