holy crap man what happened under there? you got some work to do. id just go get some vacuum hose and replace ALL the lines you can see. i simplified my renix system by cutting out everything that wasnt smog related even though we dont smog up here. that nipple on the back of the air box can be crimped over by the way. id get rid of that junction block too and run new lines. the hard line going to the MAP sensor needs to be kept intact along with the hardline to the valve cover...i think everything else can go.
I know I know, I bought it this way, and the previous owner bought it from THE OTHER previous owner this way. I need to do it right, and just iron it out now. I'm hoping it'll cure the problem with the high idle as well.
So what you're saying, is I can cap both small nipples on the back of the air box? I'm looking at a diagram that says one goes to the EGR solenoid, other goes to a vacuum fitting. Which I'm assuming is the junction box you're talking about.
Pic here?
If that's the one you're talking about, how do I get rid of it without having vacuum leaks? It has two lines going to a fitting in the manifold:
Either browse the junkyards for parts in better condition, buy new at the dealership, or find pictures of an intact system and duplicate the plastic chunks with rubber hose.
Junkyards around here are scarce as far as in tact 4.0's go, they get molested pretty quick so getting an idea of routing is out of the question, I may be able to snag some parts though.
I did away with all that mess! The only thing you need hooked up to pass smog is the EGR Solenoid and of course the FPR. I'm not running the air box so the thermactor is gone. The evap purge is hooked to one side of the air tube and the CCV inlet is hooked to the other (post filter of course). I used 2 cycle fuel line( yellow in the pic below) to connect the EGR solenoid to the manifold and then to the EGR. You could also hook up the FPR with the same tubing as well. This is my 90 that was just in the ROTM running for May.
That's what I'm looking to do as well, it looks great, although I'm still not clear on what most of the shit you removed is... I hate vacuum lines :gonnablow
just to let u know I can see ur images(2images), looks like ur missing some lines, I dont know how Much help I can be since I'm in the process of putting my engine back in my xj, but if nothing else u might get lucky going to a junkyard a finding a renix jeep
There's DEFINITELY some lines missing, just trying to figure out which.
Also wtf is this and why is the right side of it uncapped? It looks like it'd take either a larger hose, or it's just a breather of some sort, there's filter material (foam) in the end:
