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Old 10-10-2011, 08:08 PM   #101
xluben
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Quote:
Originally Posted by stretchedk7 View Post
i like blouch. have always had great luck with them.
I really like the product and they've been very helpful everytime I called or emailed.

Quote:
Originally Posted by A Fatal Ode View Post
haven't read anything on this yet. you need to delete the air pump for what? to house the 20g? sorry, i'm new but could you show me or refer me to what you're talking about? thanks
Yes, for a turbo of this size you need to do the airpump delete. You will need block off plates from KSTech and you will need to get your tuner to turn off some CEL's. If you want to remove all the components you need to pull the intake manifold, but you can leave the passenger side solenoid in place and still fit the turbo (barely). No idea if this all applies to the STi or not...
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Old 10-10-2011, 08:47 PM   #102
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is there a write up for this? this is the first i've read this. i'll be taking the mani off anyways as i'll be installing an inlet, injectors, and deleting the tgv's.

sorry for OT, thanks though.
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Old 10-10-2011, 08:54 PM   #103
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Yeah. Just search. There's one long thread on here about doing it on an older model. It's not really well laid out but if you pick through it all there's plenty of info. You will have to cut a sensor out of the top of one of the solenoids and plug it back in for the car to function properly.

Overall, if you have the manifold and turbo off then the airpump delete only takes a few minutes of extra work and you need to do it to fit a larger turbo.
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Old 10-10-2011, 09:20 PM   #104
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Old 10-14-2011, 01:14 AM   #105
xluben
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Originally Posted by ImprezivHokie View Post
How's the boost creep in 4th/5th with the IWG?...
Turns out I did have creep/spike issues with the IWG (more details on the issues I was seeing further down in the post), so I installed an EWG tonight. Sorry, no installed photos, but here are a few that I took before the install.

Tial MV-R 44mm EWG.


EWG Opened. 3 Springs for 1.1 bar Setting.


Note 4 grooves in diaphragm and cover to align up to 4 springs.


Here you can see how far the valve opens. Note that diaphragm would actually be held down by cover and would not lose seal.


3 springs for 1.1 bar. Quite a challenge to get the cover back on!


Mock up for photo. Note that EWG and dump tube would really be turned 90 degrees when installed in vehicle.


A few more photos:






I installed a GrimmSpeed crosspipe at the same time. Overall it really wasn't too bad, but it did take some time. I think it was between 5 and 6 hours total (uppipe, EWG, crosspipe, all work done by myself on jack stands). Since I was doing the crosspipe at the same time, I decided to take off the headers instead of pulling the turbo. To do the install I did the following:
  • Removed downpipe
  • Removed all uppipe bolts
  • Unplugged O2 sensor (located in passenger side header)
  • Removed heat shield from passenger side header
  • Removed heat shield from driver side header
  • Removed crosspipe
  • Removed passenger side header
  • Removed passenger side motor mount bolt
  • Jacked up motor ~1"
  • Removed uppipe
  • Installed GrimmSpeed uppipe
  • Loosely attached uppipe to turbo
  • Loosely attached crosspipe to driver side header
  • Loosely attached passenger side header to uppipe, crosspipe, and head
  • Tightened uppipe to header bolts
  • Tightened header to crosspipe bolts
  • Tightened header to head bolts
  • Tightened uppipe to turbo bolts
  • Tightened uppipe to motor bracket bolts
  • Installed dump tube to EWG (test fit for proper orientation)
  • Installed EWG to uppipe
  • Installed downpipe

Quite a list. No wonder it took me so long! I hit most of the bolts with PBlaster and none of them gave me much of a problem. Overall it was pretty smooth, just tedious work, especially on the ground with the car on jack stands. The hardest part was getting the EWG onto the uppipe. The V-band clamp was difficult to get into position with the limited space.

Note that I installed the dump tube onto the EWG first. I thought this was easier. I mocked up the EWG location and then oriented the dump tube so it was about one finger width, or slightly less, away from the axle. I clamped the dump tube to the EWG down tight while it was off the car. Then I bolted that whole assembly onto the uppipe.

FYI - The dump tube should come off the EWG approx parallel to the gound. Once the downpipe was on it ended up being about the same amount of clearance from the dump tube (as to the axle). For the limited amount of room, the GrimmSpeed uppipe is really a perfect fit. At least 1/2"-3/4" clearance for everything.

I backed my manual boost controller all the way out and took it for a drive. Wow, it is loud but it sounds pretty awesome! The 44mm definitely has a deep-ish tone, but is still really loud. The 1.1 bar spring setup with the MBC backed all the way out gave me a rock solid 18psi to redline. I turned it up a hair and am currently running at 20psi. It is totally rock solid. No creeping or spikes at all (approx 50F weather tonight).

With the IWG I had the MBC backed all the way out for most of my daily driving (should be 19psi). It would hold a solid 19psi when it was warm out, but when it was cooler it would hit 19psi and then creep to 23-24psi on a 2k-redline pull. If I just mashed the throttle at higher RPM it would spike to 25psi or more. The EWG has totally fixed this! I'm really glad to see rock solid boost.

Overall I'm super happy with how it turned out. The EWG sounds awesome when I get on it, but I can still be stealthy when I stay away from peak boost. The EWG will open slightly before my peak boost, but in daily driving it is very easy to avoid it opening. With the 20G it really only opens when I want it to (plenty of throttle input and higher RPM's). The fact that it seems to have completely cured my boost creep/spike issues is the best part. Hopefully I'll get a quick retune and log sometime soon to see if it free'd up any power
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Old 10-14-2011, 01:28 AM   #106
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We got boost creep as well with the maperformance 20g, we are going to port the IWG. Oh and a valve broke so we are building the motor.
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Old 10-14-2011, 01:30 AM   #107
Disaster646
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Ha I love my tial ewg, sounds awesome, plus I get to scare people that drive like asses, It holds rock solid 22psi with no creep on 5-6 gears ( fp green+e85) torque hits hard and early
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Old 10-14-2011, 01:37 AM   #108
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Quote:
Originally Posted by juanmedina View Post
We got boost creep as well with the maperformance 20g, we are going to port the IWG. Oh and a valve broke so we are building the motor.
Yeah, I just don't think an IWG will handle at 20G sized turbo at low-ish boost. I'm hoping my motor last long enough for me to get a built motor ready...

Quote:
Originally Posted by Disaster646 View Post
Ha I love my tial ewg, sounds awesome, plus I get to scare people that drive like asses, It holds rock solid 22psi with no creep on 5-6 gears ( fp green+e85) torque hits hard and early
Yeah, you can definitely scare people when you get on it. I love how rock solid the boost curve is. No creep or spikes AT ALL, thus far. Love it.
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Old 10-14-2011, 01:48 AM   #109
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Quote:
Originally Posted by xluben View Post
Yeah, I just don't think an IWG will handle at 20G sized turbo at low-ish boost. I'm hoping my motor last long enough for me to get a built motor ready...


Yeah, you can definitely scare people when you get on it. I love how rock solid the boost curve is. No creep or spikes AT ALL, thus far. Love it.
This motor had 86k miles and it is the 3rd setup, we found that the valve was missing a huge piece. It has been running on E85 for a while and the AFRs were around 11.2 at WOT. I wonder if is E85 related since I had the same problem but my valve burnt . These issues usually happen when running lean but my AFRs were also on target both failures happened on the same month. Bad gas?
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Old 10-14-2011, 03:08 AM   #110
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thats pretty rich for E, maybe it was a bad batch or something
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Old 10-14-2011, 11:03 AM   #111
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im running the 38mm version of that EWG but on a CNT up-pipe, i think that was a big mistake... fitment was a bitch....

but yea, my 11' WRX trans blew, a day after getting back from school but im currently having it torn down and prepped for the JDM STI 5 speed gears. supposed to be close to stock as far as gearing but REM treated and the teeth are supposed to be thicker. along with a cusco trans mount, beatrush pitch stop and a few other things to tighten up the drivetrain as much as possible im hoping for a longer life than the OEM gears saw.

i really need to pick up one of those GS MBCs, i get boost creep on my CXR500 and its damn annoying.
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Old 10-14-2011, 12:08 PM   #112
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The GS uppipe has top notch fitment. Everything ends up right where it should be. Very surprised you're still getting boost creep with an EWG. With my 44mm EWG and MBC I have no creep or spikes at all. I can't believe your tranny blew! I hope mine holds up (an my motor, lol).
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Old 10-14-2011, 01:09 PM   #113
Disaster646
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This is why I went 07 sti tranny, after 2 5spds donated to the gods of speed lol
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Old 10-14-2011, 02:18 PM   #114
xluben
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I'm really hoping the 08+ WRX's have slightly more robust tranny's...
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Old 10-14-2011, 10:29 PM   #115
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not the 08 from what I hear... the 09+ trans from what I hear have the revised 1-2 gear with a stronger metal used. that's why they say the JDM STI 5 speed gears are more of an OEM replacement than upgrade.
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Old 10-14-2011, 11:21 PM   #116
Black07STiGuy
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my 08 trans has taken a beating from doin the 1320 doing 5500rmp dumps at the line to doing all day autocross events. Only problem I have had so far is my 2nd and 4th gear synchros are tired and grind sometimes.
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Old 10-15-2011, 12:58 AM   #117
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I don't dump at the track I let it slip out quite a bit I pull a 1.7 60' though on 265/35/18 re760s...
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Old 10-15-2011, 10:27 AM   #118
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Uploaded two videos. The first is my car on the dyno (before the EWG install):


The next one is a quick clip of the EWG opening up:

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Old 10-15-2011, 11:10 AM   #119
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that's what I hate about my GS EBCS, it has that flutter when the ewg opens up on WOT.... my AEM TRU-BOOST was a constant scream like yours is. I wonder when I get that hybrid setup will it just be a constant scream....
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Old 10-15-2011, 01:57 PM   #120
xluben
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Yours flutters at peak boost? My car did that with the VF52, even when I had the hybrid boost control set up. With the 20G I haven't had any flutter at all (IWG or EWG). I don't think it's necessarily bad to hear a bit of fluttering, but I do prefer it without.
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Old 10-15-2011, 02:52 PM   #121
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Quote:
Originally Posted by THE_SMURF View Post
that's what I hate about my GS EBCS, it has that flutter when the ewg opens up on WOT.... my AEM TRU-BOOST was a constant scream like yours is. I wonder when I get that hybrid setup will it just be a constant scream....

Hybrid, on full wot, is mbc only by then so it'll scream
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Old 10-15-2011, 02:54 PM   #122
THE_SMURF
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thanks^^^

but XLUBEN, as soon as the ewg opened up it fluttered, well I dont think that's the best way to describe it but you can tell the ebcs is somewhat fluctuating to try and keep the boost solid.

also, your not running the hybrid setup any more? would it be more beneficial to go to straight MBC? I'm buying the MBC next week and will have both anyway, once I get it in I'll look more into how it's supposed to be hooked up.
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Old 10-15-2011, 03:11 PM   #123
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Rich Dip from FMIC...
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Old 10-15-2011, 04:06 PM   #124
xluben
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Quote:
Originally Posted by Nuke209 View Post
Hybrid, on full wot, is mbc only by then so it'll scream
Quote:
Originally Posted by THE_SMURF View Post
thanks^^^

but XLUBEN, as soon as the ewg opened up it fluttered, well I dont think that's the best way to describe it but you can tell the ebcs is somewhat fluctuating to try and keep the boost solid.

also, your not running the hybrid setup any more? would it be more beneficial to go to straight MBC? I'm buying the MBC next week and will have both anyway, once I get it in I'll look more into how it's supposed to be hooked up.
Nuke brings up a good point, as long as the hybrid boost control is tuned correctly, it will be running on the MBC only during WOT. For the moment I am only running the MBC. The hybrid setup requires the use of two T-fittings. The ones I was using weren't the correct size and started to leak. I need to order the right ones and then I'll hook it back up.

IMO, the MBC is great on it's own, but the hybrid system is even better. The main concern I have with MBC's is partial throttle, full boost. With a larger turbo, like the 20G, this occurs a lot less frequently, so it's not as big of a deal. But if you put in the EBCS and run a hybrid system (and have it tuned properly), you will completely avoid the risk.

Quote:
Originally Posted by Nuke209 View Post
Rich Dip from FMIC...
Huh? I actually don't see any rich dip in the dyno sheet from RS
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Old 10-15-2011, 05:41 PM   #125
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xluben I would love to see a video of the speedometer if you could? Your setup is VERY similar to what I eventually would love to do thanks!
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