Nipples On Intake Tube

[JustROLLIN]

OK, I am curious as to what plugs into both of the nipples on the intake tube. There are 2 large nipples stacked right on top of each other and I cant remember what plugs in there. I know that one of the two is the plug-in for the hose running out the side of the valve cover, but I dont what the other is for. Also, which one does the breather plug into? The top or the bottom nipple? Thanks for help on yet another noob question.

[john]

One is for the charcoal canister, the other is for the valve cover breather. They are both different sizes if I remember right but it doesn't matter if you mix them up. Tho one for the charcoal canister runs from under your battery to the intake tube. Hope that helps...

[JustROLLIN]

Yeah, it does help. So if I have removed the canister I take it I can just block off the other nipple?

[john]

Yep, I recommend blocking off both and dumping the breather line. I put a filter on the line and runn it to the ground.

[JustROLLIN]

I have thought about it, but I see no real advantage to doing that. I have the in-line fuel filter to act as a catch can. If there would be an advantage, lemme know, my ears are open. BTW, thanks for the quick response and useful info.

[1slowdsm]

Originally posted by 92tsiawd84@Aug 16 2004, 09:03 PM
Yep, I recommend blocking off both and dumping the breather line. I put a filter on the line and runn it to the ground.
I just found out that the bottom nipple on my car has nothing going to it, so its just sitting there wide open? I guess my car came like that, because I didnt do it. Should I just plug both nipples? What do you mean by "put a filter on the line and run it to the ground"? Can't I just add a filter on the cover? I'm sorry, but I dont know much about those kinds of things. I only know the easy basics like the motor and stuff like that.... :banana:

[JustROLLIN]

Yes, you can add a filter right on the valve cover, but it can make a mess over time. Sometimes oil will penetrate the filter and spray into your engine bay. That why I use an in-line fuel filter and still run the line back to the intake. But, maybe people who run just the filter will have a different opinion.

And yes, you need to plug the open nipple. Air is entering your engine through that nipple and is not being metered by the MAS. In turn, your car may be running rich. Make sure you plug that open nipple up.

[Khadgar]

When the filter fills up and starts messing, I just clean it out.

[Khadgar]

Originally posted by JustROLLIN@Aug 18 2004, 11:53 PM
Yes, you can add a filter right on the valve cover, but it can make a mess over time. Sometimes oil will penetrate the filter and spray into your engine bay. That why I use an in-line fuel filter and still run the line back to the intake. But, maybe people who run just the filter will have a different opinion.

And yes, you need to plug the open nipple. Air is entering your engine through that nipple and is not being metered by the MAS. In turn, your car may be running rich. Make sure you plug that open nipple up.
Wouldn't that make it run lean?

[JustROLLIN]

Yeah, it would be lean, I dont know why I typed rich. Thanks for the correction.