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#2576 |
Scooby Guru
Member#: 120
Join Date: Jul 1999
Chapter/Region:
AKIC
Location: Where the Navy sends me...
Vehicle:1997 Legacy 2.5GT 1996 Impreza coupe |
![]() I haven't provided any updates in a while, primarily due to my laziness and/or working on my other two cars. But I have made some progress here and there.
Let's see, I got an AN bung welded into the 90deg bend just upstream of the throttle body, and put an AN-to-nipple adapter on there for the breather hose to connect to. I don't have a picture of that, so just visualize a 90deg bend with a hose nipple pointing out to the side and you'll get it. ![]() I mounted the Chase Bays universal PS reservoir and the fuel tank vapor canister where the battery used to sit. Nothing terribly exciting: ![]() ![]() If I was really motivated, I could've gotten a spot weld remover drill bit and cut away the battery shelf there, but I'm not that motivated, so there it stays. This past weekend I also got the matching Chase Bays radiator overflow mounted over on the passenger side. I forgot to upload the pics, though, so I'll try to remember to upload those after work today. I'm not sure the Chase Bays overflow canister is going to be the long term solution, as it's kind of small (only a fraction of the OEM overflow tank's capacity) and it has no external indication of level. Even pulling the cap off and looking into it won't be that helpful - anyone that has ever looked down into a jug of antifreeze knows that it's got that weird iridescent look to it that makes it hard to judge the level. I'll have to see what else I can come up with.
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#2577 | |
Scooby Guru
Member#: 120
Join Date: Jul 1999
Chapter/Region:
AKIC
Location: Where the Navy sends me...
Vehicle:1997 Legacy 2.5GT 1996 Impreza coupe |
![]() This has been the most recent hold-up on my progress. I was at a bit of a loss when it came to figuring out the hose routing for the PS reservoir. The pressure line coming off the pump was fine, but the suction (from the PS reservoir to the pump) would need to be changed. Since the PS reservoir is supposed to be on the front passenger side of the engine bay, the little adapter that bolts to the pump points over to the passenger side:
![]() To avoid having too sharp a bend, the hose would have to loop out and turn about 160deg or so to point back to the driver side. That would work, but it would be ugly. So, I wanted to see about changing out that hose nipple adapter so I could use an AN fitting there and make the hose go wherever I wanted in a cleaner fashion. The STI and WRX use a similar PS pump configuration, and MSI makes an AN adapter to bolt to the pump, so I ordered one of those to try out. Unfortunately, the adapter wouldn't fit - wrong bolt spacing, and wrong diameter of the part that seats into the pump - so I returned it. Then I moved on to getting an adapter made. I ordered a weld-on AN fitting and asked at the local machine shop if they could weld the fitting to that nipple. They've done a couple of other aluminum welding projects for me (the coolant tube and the intake elbow nipple), but their welder wasn't confident she could work on that PS pump nipple, as it's cast aluminum. I got a reference for a welding shop in town that was supposed to be the place to go, so I went there a few weeks back. "I'd like to lop off this nipple flush with the flange, and then weld this fitting on to line up with the port vertically." "OK, we can do that." "This is cast aluminum - is that a problem?" "No, not a problem." Turns out that was the owner, and he was the one that did the work. A couple days later I headed to the shop from work during lunchtime to pick up the part. Owner/dad wasn't there, teenage son was manning the office. He handed me the part and I was almost speechless - they had absolutely butchered it. Completely useless. ![]() ![]() ![]() ![]() There wasn't any point in yelling at the kid, but I made it clear that the work was unacceptable and that I wanted a resolution. A couple days went by and I didn't hear anything, so I stopped by at lunchtime again - this time the office was being manned by the owner's wife. She gave me my money back and apologized, but basically said it was my fault for not making it clear what I wanted. ![]() ![]() Now, I knew that welding cast aluminum could be tricky, so I had made sure before I embarked on this path that the little adapter part was available separately from Subaru just in case the casting was ruined in the process of trying to weld it (so I wouldn't have to source a complete pump just to get that nipple). I bought another one, and was pretty much resigned to just having the ugly loop of hose coming off the suction port of the pump. Then I saw a thread here by Killer B Motorsport showing off some of their aluminum welding. I shot them a PM to see if they could try to do what the local shop had failed to do. They agreed to take a look, so I mailed them the two parts. A couple days later I got a PM from Chris at Killer B: Quote:
![]() Ta daaaaaa! ![]() (It's just a camera trick that makes it look like the boss on the intake manifold is nearly touching the fitting.) I still have to make the actual hose - should have all the fittings to do that today or tomorrow - but I'm quite happy that I was able to get this resolved. |
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#2578 |
Scooby Specialist
Member#: 150922
Join Date: Jun 2007
Chapter/Region:
NESIC
Location: Raymond, NH
Vehicle:97 OBS EZ30R 94SVX LSi Bourduex Pearl |
![]() Killer B FTW!!!
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#2579 |
Scooby Guru
Member#: 120
Join Date: Jul 1999
Chapter/Region:
AKIC
Location: Where the Navy sends me...
Vehicle:1997 Legacy 2.5GT 1996 Impreza coupe |
![]() The radiator overflow mounted:
![]() ![]() Battery in the trunk: ![]() ![]() It's an Odyssey PC680 that I picked up used from a guy who hadn't used it for a while. That corner of the trunk is where the CD changer was, but I haven't used that in years (iPod + AUX jack on head unit = no need for changer), so the battery fits in its spot nicely. Obviously the cables haven't been routed yet - I'll get those knocked out soon. Since it's an AGM dry cell the box isn't really required - the billet aluminum bracket would've kept it safe enough - but that corner of the trunk has a little bit of a leak that I've never been able to find. The changer has had a plastic shopping bag over it for years to keep it dry, and now the battery has the box to keep it similarly protected. |
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#2580 |
Scooby Specialist
Member#: 150922
Join Date: Jun 2007
Chapter/Region:
NESIC
Location: Raymond, NH
Vehicle:97 OBS EZ30R 94SVX LSi Bourduex Pearl |
![]() Well... See THAT'S why you have no room... Silly ABS and air box...
BTW did the harness show up in the mail? |
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#2581 |
Scooby Newbie
Member#: 242350
Join Date: Mar 2010
Chapter/Region:
South East
Location: Atlanta
Vehicle:2013 Carma Wolf EZ30 black |
![]() Nice work! What is the radiator overflow from?
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#2582 | |
Scooby Guru
Member#: 120
Join Date: Jul 1999
Chapter/Region:
AKIC
Location: Where the Navy sends me...
Vehicle:1997 Legacy 2.5GT 1996 Impreza coupe |
![]() Quote:
I could ditch the airbox, but it made it really easy to make the intake without having to worry about getting through the fender for some sort of CAI. And there's no way I'd want to get rid of ABS. It's just a universal part from Chase Bays. I think I've already decided I don't want to use it, and will most likely go with one of the typical, cheap opaque plastic setups you can get from the auto parts chains. I actually picked up 2 different sizes - 1.5qt and 2.5qt - at Advance Auto this afternoon to look at where I could put them and which I would prefer to use. I've been using one of the 2.5qt ones on my Mustang for years without issue. More likely I will use the 1.5qt one in the Subie. In comparison, the internal volume of the Chase Bays one is less than 0.5qt (if my math is correct), which ain't much. |
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#2583 |
Scooby Newbie
Member#: 51500
Join Date: Dec 2003
Vehicle:1999 impreza rs-t sylver |
![]() I just read 20 page of that thread and have not found the answer so so this is my question:
I juste have destroy my 500hp ej257 becose of a bad rod and now I want to change of project! I looking to swap a ez30r to replace my ej257 and keep it stock on low boost (gtx3076 turbo) for about a year to give me the time to buy (forged rod, pistons, valve springs, etc) How much boost do you think a stock ez30r (98 000km) can andle and still and stay reliable, 5, 7, 9psi??? |
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#2584 |
Scooby Specialist
Member#: 150922
Join Date: Jun 2007
Chapter/Region:
NESIC
Location: Raymond, NH
Vehicle:97 OBS EZ30R 94SVX LSi Bourduex Pearl |
![]() No one really knows... But you want reliable, you want no extra boost... Just leave it alone if you want reliable...
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#2585 |
Scooby Newbie
Member#: 388081
Join Date: Apr 2014
Chapter/Region:
Tri-State
Location: NJ
Vehicle:2004 H6 STI White |
![]() I've been running 10psi on my ez30d for almost a month now and problems yet fingers crossed
Sent from my iPhone using NASIOC |
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#2586 |
Scooby Newbie
Member#: 242350
Join Date: Mar 2010
Chapter/Region:
South East
Location: Atlanta
Vehicle:2013 Carma Wolf EZ30 black |
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#2587 |
Scooby Newbie
Member#: 388081
Join Date: Apr 2014
Chapter/Region:
Tri-State
Location: NJ
Vehicle:2004 H6 STI White |
![]() I'm gonna be getting on a dyno in like 2 weeks and I'll post the results I hope I get 100k too!
Sent from my iPhone using NASIOC |
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#2588 |
Scooby Guru
Member#: 158864
Join Date: Sep 2007
Location: Aussieland
Vehicle:2003 SOHC destroker |
![]() mythbusted scoop delete "vents" today lads. air flows INTO them. you want a full block off plate if you have a front mount.
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#2589 |
Scooby Specialist
Member#: 150922
Join Date: Jun 2007
Chapter/Region:
NESIC
Location: Raymond, NH
Vehicle:97 OBS EZ30R 94SVX LSi Bourduex Pearl |
![]() Not an Impreza but I'm gonna just leave this here...
http://bringatrailer.com/2014/08/19/...canam-tribute/ That's twin EZ30R's BTW... |
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#2590 |
Scooby Newbie
Member#: 331072
Join Date: Sep 2012
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![]() vicious, what are your thoughts on creating a raised leading 'lip' on the front edge of the vents panel to create a pressure differential? This hopefully forcing an extraction of air from the engine bay. I currently am running scoop delete vents, and have considered this as an option to have it, you know, vent.
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#2591 |
Scooby Specialist
Member#: 150922
Join Date: Jun 2007
Chapter/Region:
NESIC
Location: Raymond, NH
Vehicle:97 OBS EZ30R 94SVX LSi Bourduex Pearl |
![]() While it's H6 related, due to H6 heating... But basically so long as you are allowing the right airflow to happen the scoop isn't hurting anything for front mount guys. It's extra air flowing into the engine bay to carry away heat. Air flow is pretty well taken care of with hot air getting sucked away under the car. Radiator shrouds, placement of heat shields and turbo blankets should do just fine. I've got an S201 replica scoop for my car even though I'm front mount. Oil cooler or such might get located under there.
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#2592 |
Scooby Newbie
Member#: 331072
Join Date: Sep 2012
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![]() Seraphin, indeed, the hood venting conversation is far from H6-specific. The end use of my H6 Impreza (keeping it NA) is track duty, so every little bit helps.
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#2593 | |||
Scooby Guru
Member#: 158864
Join Date: Sep 2007
Location: Aussieland
Vehicle:2003 SOHC destroker |
![]() Quote:
![]() and it does NOT work. didn't matter how i taped the wool over, air continually flowed INTO it. even with the great big lip on the front. our hoods just aren't low pressure for basically the entire back half. if you're going to have vents, they need to be up the front. like this: ![]() or if you have a "street" car and rain would get onto the engine/alternator etc, then you need to mount them over at the sides like this: ![]() (that's an aftermarket CF hood that comes with them). if you don't want to buy a CF hood/can't run them on the street where you live (no CF panels allowed in aus), then you can go to hoodlouvers.com (don't do what i did and go to hoodlovers.com... you have been warned ![]() ![]() ![]() Quote:
Quote:
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#2594 |
Scooby Specialist
Member#: 150922
Join Date: Jun 2007
Chapter/Region:
NESIC
Location: Raymond, NH
Vehicle:97 OBS EZ30R 94SVX LSi Bourduex Pearl |
![]() I'm okay with turbulence if it means cooler air flowing into my engine bay. If I have to sort some OTHER means of that extra air to exit properly, then I will later.
Our Subarus a bricks basically outside of the brand new cars and the SVX(an aerodynamic lead brick...) |
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#2595 |
Scooby Guru
Member#: 158864
Join Date: Sep 2007
Location: Aussieland
Vehicle:2003 SOHC destroker |
![]() well, air flowing into the scoop/bay that way is only going to increase pressure and stop air flowing through the rad/oil cooler/etc. it's much more efficient to delete the scoop and flow as much air as possible through the front than to just air cool it with the scoop.
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#2596 |
Scooby Specialist
Member#: 150922
Join Date: Jun 2007
Chapter/Region:
NESIC
Location: Raymond, NH
Vehicle:97 OBS EZ30R 94SVX LSi Bourduex Pearl |
![]() Well I'll deal with it on my car after I get the damn thing running. Have enough other things to sort with higher priorities.
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#2597 |
Scooby Newbie
Member#: 299104
Join Date: Oct 2011
Chapter/Region:
Tri-State
Location: Pittsburgh, PA
Vehicle:2005 Legacy GT Ltd Garnet Red Pearl |
![]() I've been considering doing a 2000-2003 EZ30 into my 1997 Legacy GT wagon.
I don't want an old WRX swap as I already have a 2014. that, and the fact that the car has been very well maintained and has a mostly clean body (and dat cargo space) I was thinking 00-03 because of its mechanical throttle and such. plus I wanted to use the factory ez30 ecu if possible. anyone have experience doing this? I saw one on YouTube but wasn't able to contact the guy who built it. I love the sound of the flat 6 with the custom exhaust. here's the link: https://m.youtube.com/watch?v=JdhSlF5oK94 if anyone's done this, please PM me with what's all required to do the conversion. I know the ez30 requires 2 radiator fans, which already come factory. I thought about putting them in front of the radiator so they push the air through instead of pulling it through. again, please let me know what's needed (aside from engine and ecu). I've read it'll wirk with my 4eat, so no problems there. Last edited by mschiavoni; 08-21-2014 at 06:48 PM. Reason: mistake |
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#2598 |
Scooby Guru
Member#: 158864
Join Date: Sep 2007
Location: Aussieland
Vehicle:2003 SOHC destroker |
![]() d0000d. i did one and took a lot of pics/documented a lot of stuff. the engine even comes factory with the 4eat. read the thread.
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#2599 |
Scooby Newbie
Member#: 299104
Join Date: Oct 2011
Chapter/Region:
Tri-State
Location: Pittsburgh, PA
Vehicle:2005 Legacy GT Ltd Garnet Red Pearl |
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#2600 |
Scooby Guru
Member#: 120
Join Date: Jul 1999
Chapter/Region:
AKIC
Location: Where the Navy sends me...
Vehicle:1997 Legacy 2.5GT 1996 Impreza coupe |
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