GEE-OTTO Posted June 3, 2009 Author Share Posted June 3, 2009 told u, I learned a lesson from modding my 07 impreza too much and decide to trade in to get a stock 05 2.5i leggy. The millage was the same by the time I traded and the leggy was much nicer When your mods are done wrong what other choice do you have? If they are done right youll never know it was modded to start with. Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 3, 2009 Share Posted June 3, 2009 It's an EJ20K silly! Here are the pics of the left, and center finished. also the right side pre-modified. note how long each port is separated until they join....unlike the regular turbo manifolds. http://i104.photobucket.com/albums/m194/star91281/0603091745.jpg http://i104.photobucket.com/albums/m194/star91281/0603091740.jpg http://i104.photobucket.com/albums/m194/star91281/0603091746.jpg Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 3, 2009 Share Posted June 3, 2009 and yes, I cut off the heat shield bolt hole tabs off the left one before coating. I will be removing the ones off the right one as well. just gotta get that jig made up. In addition, I would like to add a comment to anyone else that would like to try this. Keep the center heat shield attached. when I took it off for clean-up/coating, I noticed how much more floppy the pipe felt without the heat shield. It does provide some support, so.....leave it. Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 4, 2009 Author Share Posted June 4, 2009 Hey Shtbxr did you give any thought to adding a cat to the cross pipe ???? It would fit and you could reuse your stock sensor locations but the coating job looks good cant wait to get mine Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 4, 2009 Share Posted June 4, 2009 I wouldn't want to monitor just the left bank as far as Air/Fuel is concerned, which I would have to do if I used the stock locations. I will most likely be extending both sensors, and putting the A/F sensor in the bung of the manifold before the flange for an accurate 4 cylinder A/F reading. Then place the O2 behind the other cat. the only thing I am concerned with is if the second cat gets hot enough to do its job. if not, I will have to get a cat that bolts right up to the manifold flange, and hack up the mid-pipe. Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 4, 2009 Author Share Posted June 4, 2009 True good point but if you want maximum heat getting to that cat the closer the better and it wouldnt be difficult to put a Three bolt flange on a cat. Thats the one of the best things about the stock header is that little short catalytic converter integrated into the manifold. But older Legacies 05 and back have that "cat section" that is further away from the engine but right after the manifold. Im sure you have it figured out. What does the passenger side collector look like have you chopped it yet? Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 4, 2009 Share Posted June 4, 2009 Not cut yet. I am in the process of trimming the excess crap off of it, and some casting flash. here it is now. not even close yet: http://i104.photobucket.com/albums/m194/star91281/0604091356.jpg Link to comment Share on other sites More sharing options...
airdevil85 Posted June 6, 2009 Share Posted June 6, 2009 Sounds cool! I wanna see how this turns out. BTW they do have turbo kits for the N/A engine that produces 3-5 PSI boost. If you are going that far why not go a little further. Once I get my car running again, where would I find one of these turbo kits?? Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 6, 2009 Share Posted June 6, 2009 Avo Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 8, 2009 Author Share Posted June 8, 2009 Word on that flange you get it welded on yet ? And you wouldnt have to monitor the left bank if you use that 02 bung thats in place already would you ? Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 8, 2009 Share Posted June 8, 2009 not yet. i'm still in the process of hacking off casting flash. I planned on using the existing bung for A/F readings. I will have to relocate the O2 however. still wondering about that. Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 10, 2009 Author Share Posted June 10, 2009 Shtbxr i got a ej20 manifold in after I sold the other two Ej257 manifolds I bought and had an idea to help in your rear o2 issue why dont you just buy a cat with a bung in place and use that for the rear and the stock location in the right bank collector for the upstream o2 sensor????????????? Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 11, 2009 Share Posted June 11, 2009 I wanted to do it as cheap as possible. I think relocating is better for that. i don't know. I'll check for prices. Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 13, 2009 Share Posted June 13, 2009 so here is the start of the jig: http://i104.photobucket.com/albums/m194/star91281/0612091651.jpg boy, I wish I had some more time to work on this. Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 14, 2009 Share Posted June 14, 2009 got more time.....the jig is ready!! http://i104.photobucket.com/albums/m194/star91281/0613091434.jpg now to cut up the manifold to marry it to the jig. Link to comment Share on other sites More sharing options...
whitetiger Posted June 14, 2009 Share Posted June 14, 2009 all thiis work just to do this Borla Headders for 2.5i Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 14, 2009 Share Posted June 14, 2009 the borlas arent as unequal as i'd like, and I'm trying to keep everything behind the manifold as-is. Link to comment Share on other sites More sharing options...
whitetiger Posted June 14, 2009 Share Posted June 14, 2009 yeah, but witht he borlas, you get a UEL headder and maybe some increased HP. with what you are doing as other have stated, you will get a HP/torque decrease making you car slower. BTW, ive heard the 2.5i with the borla headder, and it sounds very good. Link to comment Share on other sites More sharing options...
shtbxr22 Posted June 14, 2009 Share Posted June 14, 2009 I already planned for a power loss. the one reason for the turbo manifold versus the borla.....money. I'd have to get the header, then reroute the remainder of the exhaust to the catback, and buy a cat, and weld all that up. this way, I use a dirt cheap manifold, and relocate one sensor. the only major pain in the ass thing with what I'm doing is the labor. thank god for my wallet "I got the skills to pay da' bills" Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 15, 2009 Author Share Posted June 15, 2009 I already planned for a power loss. the one reason for the turbo manifold versus the borla.....money. I'd have to get the header, then reroute the remainder of the exhaust to the catback, and buy a cat, and weld all that up. this way, I use a dirt cheap manifold, and relocate one sensor. the only major pain in the ass thing with what I'm doing is the labor. thank god for my wallet "I got the skills to pay da' bills" Nice nice and yeah whitetiger we've heard it ALL before you lose low end TRQ with the borla THIS you cant say that about b/c NO ONE has ever dyno'd it with this mod i think this design will be a very good one. So this jig you will use it bolt a EJ255 after you chop off the 2 bolt flange and weld the 3 botl flange to it??????????????? Now Shtbxr22 when are you making mine Link to comment Share on other sites More sharing options...
whitetiger Posted June 15, 2009 Share Posted June 15, 2009 ^ ok then. sacrificing power for sound Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 15, 2009 Author Share Posted June 15, 2009 Also I forgot to show you I cut my EJ 20 Manifold up Sat. I just need to get the three bolt welded on ill post a picture of it soon it is in the trunk of my car. Side note welding mild steel to cast isnt that much of a paint actually it isnt bad at all. I to also lopped off the heat shield tabs well two of them. The biggest difference in the Ej20T is that is doesnt have o2 bung like the EJ25/257 but the Cat has two so That should work fine. Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 15, 2009 Author Share Posted June 15, 2009 ^ ok then. sacrificing power for sound What is more hilarious is that you wasted 5 mins of your life to search to this thread to post a derogatory comment. Link to comment Share on other sites More sharing options...
mikeislord Posted June 15, 2009 Share Posted June 15, 2009 What is more hilarious is that you wasted 5 mins of your life to search to this thread to post a derogatory comment. No no no. What you're doing to your car is definitely more hilarious than his wasted 5 minutes. :lol: Link to comment Share on other sites More sharing options...
whitetiger Posted June 15, 2009 Share Posted June 15, 2009 more like 1 minute, but i digress. Link to comment Share on other sites More sharing options...
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