Welcome to the North American Subaru Impreza Owners Club Friday March 29, 2024
Home Forums Images WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
Go Back   NASIOC > NASIOC Technical > Engine Management & Tuning

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.







* As an Amazon Associate I earn from qualifying purchases. 
* Registered users of the site do not see these ads. 
Reply
 
Thread Tools Display Modes
Old 08-05-2010, 02:00 AM   #326
Strider327
Scooby Specialist
 
Member#: 131280
Join Date: Nov 2006
Chapter/Region: BAIC
Location: Northern California Hayward
Vehicle:
2004 Impreza WRX
WRB

Default

Quote:
Originally Posted by Phatron View Post
mine is setup exactly like post 1....but my hallman is underneath the brake booster or whatever that thing is on the strut tower so you cant really see it.

is there something specific you are trying to see thats not in this picture?


So from this pic. Should I hook the line to the top external wastegate nipple or the lower one?
* Registered users of the site do not see these ads.
Strider327 is offline   Reply With Quote
Sponsored Links
* Registered users of the site do not see these ads.
Old 08-05-2010, 02:21 AM   #327
Phatron
Scooby Guru
 
Member#: 36033
Join Date: Apr 2003
Chapter/Region: SCIC
Location: Tuning Lab
Vehicle:
CEO PhatBottiTuning
2006 STi GTX3582 + Meth

Default

The bottom port closest to the up pipe.
Phatron is offline   Reply With Quote
Old 08-05-2010, 05:41 PM   #328
2gnt2wrx
Scooby Specialist
 
Member#: 123625
Join Date: Aug 2006
Chapter/Region: NESIC
Location: Dover, NH
Vehicle:
2015 WRX
Galaxy Blue

Default

Is this accurate?

2gnt2wrx is offline   Reply With Quote
Old 08-06-2010, 07:06 AM   #329
ride5000
Scooby Guru
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

it looks ok.

just make sure that the ebc does not route/bleed too much pressure signal from the WGA when only the MBC is flowing.
ride5000 is offline   Reply With Quote
Old 08-09-2010, 01:36 AM   #330
04ssti
Scooby Newbie
 
Member#: 254321
Join Date: Aug 2010
Default

I really want to do this but I have a tial external wastegate. Right now the gm solenoid is going to the top port and the bottom port is just open, if I do this I need to hook it up to the bottom port correct? And when the WGDC is at 100% does that mean the solenoid is closed?
04ssti is offline   Reply With Quote
Old 08-09-2010, 10:47 AM   #331
ride5000
Scooby Guru
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

100% DC = solenoid voltage ON = raise boost = NO pressure flow to WGA
ride5000 is offline   Reply With Quote
Old 08-09-2010, 01:26 PM   #332
simon021
Scooby Specialist
 
Member#: 157532
Join Date: Aug 2007
Chapter/Region: MWSOC
Location: Iowa
Vehicle:
2002 MY03 EJ207 E85
Dom 1.5XTR Twinscroll!

Default



Could you show me in the diagram where the MBC would go? I ran this setup in the past, but pulled it off before a "protune". Now that I'm back to tuning myself, I'm considering picking up another MBC and giving it another go. I just can't remember exactly how I had it hooked up...
simon021 is offline   Reply With Quote
Old 08-09-2010, 02:08 PM   #333
04ssti
Scooby Newbie
 
Member#: 254321
Join Date: Aug 2010
Default

So I checked how my EWG was hooked up and I was wrong, there is a hose going from the gm solenoid to the side port on the tial wastegate, and nothing going to the top. Mine isn't set up like the guy's above me. What advantage is there if it was set up like that guy's?
04ssti is offline   Reply With Quote
Old 08-09-2010, 04:57 PM   #334
simon021
Scooby Specialist
 
Member#: 157532
Join Date: Aug 2007
Chapter/Region: MWSOC
Location: Iowa
Vehicle:
2002 MY03 EJ207 E85
Dom 1.5XTR Twinscroll!

Default

I was told the line on top actually helps to hold the WG shut while building boost. I've never tried it without the top line hooked up so I'm not sure how much of a difference it makes.
simon021 is offline   Reply With Quote
Old 08-09-2010, 06:51 PM   #335
04ssti
Scooby Newbie
 
Member#: 254321
Join Date: Aug 2010
Default

Ok, i have an 04 sti wish a gt35r and I dont get full boost till around 5500rpm... I dont know it thats normal for that big od a turbo or if there is a way to lower that.
04ssti is offline   Reply With Quote
Old 08-28-2010, 11:13 PM   #336
FleaDog
Scooby Specialist
 
Member#: 96267
Join Date: Sep 2005
Chapter/Region: MAIC
Location: West Chester
Vehicle:
'06 20G-XT'd STI
CGM & NT03+M

Default

Any you guys go from EWG + just mbc to this? hows the difference?
FleaDog is offline   Reply With Quote
Old 08-29-2010, 11:42 PM   #337
SurfWagon
Scooby Specialist
 
Member#: 156861
Join Date: Aug 2007
Location: ABQ, NM
Vehicle:
2005 LGT Wagon 5MT
color

Default

I just put a tial 38 vband on and I would like to keep my hybrid setup. After reading over the past couple pages I'm still not getting it.

Top port sees full boost from compressor nipple? (or can I run the line that usually goes to the turbo inlet. It would see the vented off boost to help keep the ewg closed, and then it would see nothing when all the boost gets diverted to the lower port on the ewg)

Bottom port get signal from the line that went to the actuator from my old hybrid system?

Thanks?

(Seems like I could leave the top to vent....but it would be quicker/more stable with the additional force keeping the spring down.)

Last edited by SurfWagon; 08-30-2010 at 12:14 AM.
SurfWagon is offline   Reply With Quote
Old 08-30-2010, 07:13 AM   #338
ride5000
Scooby Guru
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

the only advantage to using the "close" port on an EWG is to supplant the physical spring pressure. for example, you could use a lighter spring tension allowing the wg to open more easily and be able to control boost at a lower level. the other reason is if the valve is not seating properly and is leaking under full boost.

otherwise from what i've seen it is more complexity for zero benefit.
ride5000 is offline   Reply With Quote
Old 09-02-2010, 10:40 PM   #339
subarutech77
Scooby Newbie
 
Member#: 224379
Join Date: Sep 2009
Default

I've just received my hallman pro mbc today, and was going to try this setup, I did read the whole thread but just want to make sure I have it all straight.

For an IWG, the bleed hole in the mbc port needs to be blocked or replace the fitting with no bleed hole, also remove the vacuum line from the 3port to the turbo inlet- this allows the boost to be more steady and not peak and fall like a mbc is normally set-up, correct?

Would I just be able to use vacuum caps for the intake and 3port fittings? or should I try to find a plug for the 3port?

Also, using RR to tune, would anyone be able to show me some examples of how they have their WGDC and TD tables set-up? I've found a few maps on RR, but mostly they are from bugeyes with EWG.

I have an 05 FXT AT, VF39 and GS 3port

Thanks!!
subarutech77 is offline   Reply With Quote
Old 09-03-2010, 07:11 AM   #340
ride5000
Scooby Guru
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

Quote:
Originally Posted by subarutech77 View Post
For an IWG, the bleed hole in the mbc port needs to be blocked or replace the fitting with no bleed hole, also remove the vacuum line from the 3port to the turbo inlet- this allows the boost to be more steady and not peak and fall like a mbc is normally set-up, correct?
on the bleed hole issue you have to try it both ways. my setup performed better after removing the 1/8th npt barb on the hallman (which has a tiny bleed hole drilled in it) and replacing it with a non-vented one.

theoretically it should NOT work the way it's set up, but i haven't touched it since i wrote the OP because it's perfect.

Quote:
Would I just be able to use vacuum caps for the intake and 3port fittings? or should I try to find a plug for the 3port?
i don't think a solid plug is necessary. if the cap can hold max boost pressure without blowing off, then you're good.

Quote:
Also, using RR to tune, would anyone be able to show me some examples of how they have their WGDC and TD tables set-up? I've found a few maps on RR, but mostly they are from bugeyes with EWG.
i can't help you there, as i use the utec running open loop boost control. hopefully someone else will chime in.
ride5000 is offline   Reply With Quote
Old 09-03-2010, 09:54 PM   #341
subarutech77
Scooby Newbie
 
Member#: 224379
Join Date: Sep 2009
Default

Quote:
Originally Posted by ride5000 View Post
on the bleed hole issue you have to try it both ways. my setup performed better after removing the 1/8th npt barb on the hallman (which has a tiny bleed hole drilled in it) and replacing it with a non-vented one.

theoretically it should NOT work the way it's set up, but i haven't touched it since i wrote the OP because it's perfect.
Alright, thanks. I'll try it either way and see which works better for me.

Quote:
Originally Posted by ride5000 View Post
i can't help you there, as i use the utec running open loop boost control. hopefully someone else will chime in.
No problem, I figure that I should have it set at 100% where I want to achieve full boost, some people have the TD tables set really aggresive, other's don't- I'll eventually figure it out

Thanks
subarutech77 is offline   Reply With Quote
Old 09-03-2010, 10:16 PM   #342
MRF582
Scooby Guru
 
Member#: 48219
Join Date: Nov 2003
Chapter/Region: MAIC
Location: Pittsburgh, PA
Vehicle:
. Always drive
the race line .

Default

Quote:
Originally Posted by subarutech77 View Post
Also, using RR to tune, would anyone be able to show me some examples of how they have their WGDC and TD tables set-up? I've found a few maps on RR, but mostly they are from bugeyes with EWG.
Do whatever you want below 90% TPS. Above that, set WDC to 100% and set an unattainably high (above your MAP sensor's max value) boost target. If WDC takes forever to ramp up upon applying WOT, increase the WDC % compensation in the cell for highest boost error. You may want to rescale the positive boost error axis to increase its range at the high end.
MRF582 is offline   Reply With Quote
Old 09-04-2010, 09:37 PM   #343
subarutech77
Scooby Newbie
 
Member#: 224379
Join Date: Sep 2009
Default

Quote:
Originally Posted by MRF582 View Post
Do whatever you want below 90% TPS. Above that, set WDC to 100% and set an unattainably high (above your MAP sensor's max value) boost target. If WDC takes forever to ramp up upon applying WOT, increase the WDC % compensation in the cell for highest boost error. You may want to rescale the positive boost error axis to increase its range at the high end.
Hey, thanks for the pointers, hope to have it installed by tomorrow and start to tune it
subarutech77 is offline   Reply With Quote
Old 09-25-2010, 11:59 AM   #344
Hyper
Scooby Guru
 
Member#: 15822
Join Date: Feb 2002
Location: TOPOHTO
Vehicle:
1999 WRB GM6
2.34 LR destroker

Default

I tried this method again today, and AGAIN something is not working

The setup:

Halman pro MBC, purchased with intention to run this hybrid setup
Grimmspeed 3 port EBSC
Forge stronger actuator

connection schematic:



I followed Grimmspeed manual, so:
port 1 - compressor
port 2 - WG actuator
port 3 - inlet


After giving the solenoid a BJ, I found that when the car is off and solenoid is not powered ports 1 and 2 are free flowing
I've set right two columns to 100% for both initial and max WGDC tables
no compensations are active
My ECU (or something else) is limited to 89.9% of WGDC when I do logging (JDM STI V9 ECU/ROM)

First, I installed MBC, adjusted it to hold 1.6 bar peak, left the tiny bleeding hole
worked great

now, when I followed these steps, having MBC and EBCS in parallel I am hitting 1.8 bar all the way (notice I didn't touch MBC after it was set)
odd thing is that it happens only in higher gears, but it DOES happen and instead of a boost spike, it actually holds 1.8 bars, so it seems as if not all of the pressure is going to MBC

any ideas?
Hyper is offline   Reply With Quote
Old 09-25-2010, 12:31 PM   #345
ride5000
Scooby Guru
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

cap off/block the turbo inlet connection. it is not needed.
ride5000 is offline   Reply With Quote
Old 09-25-2010, 12:37 PM   #346
Hyper
Scooby Guru
 
Member#: 15822
Join Date: Feb 2002
Location: TOPOHTO
Vehicle:
1999 WRB GM6
2.34 LR destroker

Default

and that will fix overboosts?

I won't have a chance to try untill tomorrow..
Hyper is offline   Reply With Quote
Old 09-25-2010, 06:25 PM   #347
ride5000
Scooby Guru
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

think about what's happening.

when the solenoid is "off" ie, not requesting more boost, then it's routing between ports 1 and 3.

this will cause a pressure drop after the comp nipple. it MUST.

that means that even while the solenoid is off the MBC is actually NOT seeing the full measure of pressure that appears at compressor outlet. why? because it shares some of the piping... all the way up to the tee.

if you eliminate the flow you eliminate the pressure drop.

you could also make sure that the solenoid is at 100% duty cycle. this is what i have done by employing the utec and open loop boost control.

ken
ride5000 is offline   Reply With Quote
Old 09-26-2010, 12:42 AM   #348
NSFW
Scooby Guru
 
Member#: 140444
Join Date: Feb 2007
Chapter/Region: NWIC
Location: Near Seattle, WA
Vehicle:
05 Stage Free LGT
ATP 3076, 6MT, AVO FMIC

Default

Wow, I never noticed that until now.

If the 3-port BCS works fine with the third port capped off, then I have to wonder... Is there any point in hooking the third port to the inlet, ever, with any setup? Or is that something that people having been doing forever just because people have been doing it forever?
NSFW is offline   Reply With Quote
Old 09-26-2010, 02:52 AM   #349
Hyper
Scooby Guru
 
Member#: 15822
Join Date: Feb 2002
Location: TOPOHTO
Vehicle:
1999 WRB GM6
2.34 LR destroker

Default

[runs to garage..]

will post results
Hyper is offline   Reply With Quote
Old 09-26-2010, 07:04 AM   #350
ride5000
Scooby Guru
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

Quote:
Originally Posted by NSFW View Post
Wow, I never noticed that until now.

If the 3-port BCS works fine with the third port capped off, then I have to wonder... Is there any point in hooking the third port to the inlet, ever, with any setup? Or is that something that people having been doing forever just because people have been doing it forever?
i can tell you that FHI do it because they HAVE TO due to emissions control laws and regulations: there can be nothing vented to atmosphere that does not exit via the tailpipe.
ride5000 is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
What kind of boost control solenoid/boost controller is this? roninsoldier83 Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) 3 10-01-2007 10:24 PM
If the pill is your primary method of birth control, learn from my mistake George71 Off-Topic 59 03-15-2005 12:00 PM
mbc/ebc and peak boost in lower gears? chrisfranklin Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) 2 08-02-2004 09:29 PM
Joe P. MBC XZ Turbo Manual Boost Controller (ebay no reserve) lstepnio Private 'For Sale' Classifieds 0 03-22-2004 06:43 PM
Need Help: An analysis of boost control methods smiles Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) 16 01-07-2002 03:12 PM

All times are GMT -4. The time now is 12:36 AM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2024 Axivo Inc.
Copyright ©1999 - 2019, North American Subaru Impreza Owners Club, Inc.

As an Amazon Associate I earn from qualifying purchases.

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.