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03-19-2013, 05:37 PM | #326 |
Scooby Guru
Member#: 32669
Join Date: Feb 2003
Chapter/Region:
SCIC
Location: Woodland Hills
Vehicle:2007 2.34LR, EFR7670 LINK G4+ hybrid STi |
I'm not picking up what you're laying down. Why can't you rotate the center section leaving the hotside and coldsides where they are at in order to get a straight shot with the WG arm? Can you post a pic?
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03-19-2013, 06:08 PM | #327 |
Scooby Guru
Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
Vehicle:2002 WRX Sedan Midnight Black |
Yeah, I probably could if I loosened both hot and cold sides, didn't think of that. I guess that says I should have loosened hot side when I bumped the cold side a few degrees.
I'll take a look at it when the transmission is out. No way I'm trying anything with the transmission in. No space. |
03-19-2013, 06:27 PM | #328 | ||
Scooby Specialist
Member#: 133386
Join Date: Nov 2006
Chapter/Region:
SWIC
Location: AZ/NJ
Vehicle:00 too many turbos white |
Quote:
Quote:
correct, thanks Last edited by Full-Race Geoff; 03-19-2013 at 06:34 PM. |
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03-19-2013, 06:34 PM | #329 |
Scooby Specialist
Member#: 179846
Join Date: May 2008
Chapter/Region:
NWIC
Location: Renton, WA
Vehicle:07 STi Limited EFR 8474 TS EWG |
Geoff so the casting is now lower grade?
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03-20-2013, 02:36 AM | #330 |
Scooby Newbie
Member#: 123333
Join Date: Aug 2006
Chapter/Region:
International
Location: Jerusalem
Vehicle:2009 STi DMG |
power wise how does it feel ?
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03-28-2013, 12:14 AM | #331 |
Scooby Newbie
Member#: 82433
Join Date: Mar 2005
Chapter/Region:
MAIC
Location: Alexandria, VA
Vehicle:2005 STi EFR 6738 & WRX EFR 8734 Twin Scroll |
Delete don't know what happened
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03-28-2013, 12:16 AM | #332 |
Scooby Newbie
Member#: 82433
Join Date: Mar 2005
Chapter/Region:
MAIC
Location: Alexandria, VA
Vehicle:2005 STi EFR 6738 & WRX EFR 8734 Twin Scroll |
Below is a pic of an EFR V1 6758 with the stock STi turbo coolant inlet line on the bottom port which is recommended, but there is a slight clearance issue. Did either of you two run into this? Not the best pictures, but the banjo union does not fit flush with the turbo casting due to the top plug. I know I could use other options such as AN fittings and such - just curious how you guys went. (I have other buddies running the inlet to the top port and outlet on the bottom port with no problems - same as stock and not what Borg recommends)
Here is how I have my custom lines mounted and ran on my FR Twin-Scroll EFR 8374 setup for reference (left bottom = inlet, right top = outlet). |
03-28-2013, 03:11 AM | #333 |
Scooby Guru
Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
Vehicle:2002 WRX Sedan Midnight Black |
It's fed from the block, isn't it?
Feeding from the header tank is bass ackwards. That can't be the direction of flow. |
03-28-2013, 10:05 AM | #334 |
Scooby Newbie
Member#: 82433
Join Date: Mar 2005
Chapter/Region:
MAIC
Location: Alexandria, VA
Vehicle:2005 STi EFR 6738 & WRX EFR 8734 Twin Scroll |
It is fed from the block - I confused the coolant flow path!
I will put the stock outlet tube on the top port and use the FR provided fitting on the opposite side bottom port for the inlet. Easy. I know its not recommended by BW or FR, but I do have credible friends who run the EFR like stock as pictured below. |
04-07-2013, 04:49 PM | #335 |
Scooby Newbie
Member#: 352693
Join Date: Apr 2013
Chapter/Region:
International
Location: uk
Vehicle:2006 astra racecar silver |
Hi Guy's,
i have read true this tread the last 2 day's and it's good. I have been using the efr 6758 for the last year and a bit in the UK Time Attack serie with some good results. Car: Vauxhall Astra VXR / Opel Astra OPC Engine: 2L LEH with Ported Head, oem cams, oem pistons and upgraded rod and bolts. First instal and mapping was back in Feb 2012 Graph from the first dyno session, Power at the wheels/ hub dyno This setup lasted 1/2 a day on track before the turbo fell of with most of the studs snapped, and I never liked the efr bolt on setup so the we machined the body to take a v-band clamp After the change to the fitting flange we had a good test day at a uk track The car was brilliant at this test apart from smashing the gearbox in to small pieces. At the 2nd round of uk Time Attack the car was all prepped with new gearbox and slightly adjusted map so It now was running 380whp and the car felt great in qualifying where I set the fastest time in class But as all good things, they normaly end at some point and mine ended with the dreaded EFR complete shaft failure. Luckely my turbo supplier had a spare unit so we could get ready for the next round and BW covered it all under warrenty. After this incident we had no more problems with the turbo running about 380whp for the rest of the year. The best part is that the power is earlier than my old ko4/k06 hybrid setup and give so much more top end. se graph For this year we have welded a v-band flange on made other changes to the car setup so are now running a safe 400whp on 99octane pump fuel. Video from the last track outing with 400whp All together a brilliant turbo now we have sorted all the teething problems there come with being one of the first people to use a new product on track. Hope you enjoy and maybe it answeer some quistions Bo Last edited by nielsen; 04-07-2013 at 05:07 PM. |
04-08-2013, 10:20 AM | #336 |
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Member#: 183360
Join Date: Jun 2008
Location: Round Lake, IL
Vehicle:2015 STi CBS |
Nice setup!
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04-08-2013, 01:56 PM | #337 |
Scooby Specialist
Member#: 113940
Join Date: May 2006
Chapter/Region:
E. Canada
Location: Markham, ON
Vehicle:2006 WRX Steel Grey Metallic |
Nice write up nielsen!
I have an EFR 6758 on order as well and plan to install it in my time attack 06 WRX. I just started a journal here and plan to post updates when I can. |
04-08-2013, 03:45 PM | #338 | |
Scooby Newbie
Member#: 352693
Join Date: Apr 2013
Chapter/Region:
International
Location: uk
Vehicle:2006 astra racecar silver |
Quote:
Good luck with your build and racing If possible? get it converted to V-band from the start to save youself a lot of hassel. |
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04-09-2013, 07:48 PM | #339 |
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Member#: 113940
Join Date: May 2006
Chapter/Region:
E. Canada
Location: Markham, ON
Vehicle:2006 WRX Steel Grey Metallic |
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04-09-2013, 10:19 PM | #340 |
Scooby Specialist
Member#: 133386
Join Date: Nov 2006
Chapter/Region:
SWIC
Location: AZ/NJ
Vehicle:00 too many turbos white |
in my experience if you use high quality studs/nuts that are designed and rated for this application - you are unlikely to have any issues. A vband on the inlet is far more likely to leak pre turbo. However for a dedicated race vehicle with an inline 4 and high vibrations, i suggest to additionally use Heico-Lock washers. Problem solved. Regardless B1 EFR's (6258, 6758) will be available with vband inlet by July with the 7163 intro
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04-11-2013, 04:27 PM | #341 | |
Scooby Newbie
Member#: 352693
Join Date: Apr 2013
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International
Location: uk
Vehicle:2006 astra racecar silver |
Quote:
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04-11-2013, 06:36 PM | #342 |
Scooby Specialist
Member#: 133386
Join Date: Nov 2006
Chapter/Region:
SWIC
Location: AZ/NJ
Vehicle:00 too many turbos white |
this is true removing a vband clamp is faster, but it is also far more likely to leak which is why you rarely see vbands on mid to high boost OEM applications
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05-01-2013, 09:26 PM | #343 |
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Member#: 82745
Join Date: Mar 2005
Chapter/Region:
SCIC
Location: So Cal
Vehicle:2005 Subaru STI 2003 EJ207 S204 Wagon |
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05-02-2013, 01:29 AM | #344 | |
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Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
Vehicle:2002 WRX Sedan Midnight Black |
Quote:
My input seal was leaking and the oil is what was causing the clutch slippage. I found a pretty decent deal on an FXT tranny & diff and decided to swap that to get the 4.44. The FD change pushed back boost in 3rd by ~300 RPMs (20psi by ~3700 in 3rd, probably would have been ~3400 with 3.9 final.) It was definitely $$$ to swap the trans, but the 4.44 final feels awesome compared to the 3.9 stock tranny. I haven't done much on the tune for a week. I did 2 other cars stage 2 on the weekend plus full time job, just haven't had much time. I don't think the turbo is done at 20psi, but at 95% on the injectors. My 20psi tune is really just 2 pulls, it feels pretty good, but I have a lot of fiddling to do yet for 20psi, then maybe push it another step, but fuel will probably stop me before the turbo does. I don't want to start a thread with a halfway tune, I'll polish it up soon. It is showing true to it's compressor map and giving really decent flow out of medium boost levels. I pretty much fully tuned 15psi while the clutch was breaking in and it was right in the 280 tq /310-315 HP level on Airboy. Last edited by Concillian; 05-02-2013 at 02:32 AM. |
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05-02-2013, 03:13 AM | #345 | |
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Member#: 82745
Join Date: Mar 2005
Chapter/Region:
SCIC
Location: So Cal
Vehicle:2005 Subaru STI 2003 EJ207 S204 Wagon |
Quote:
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05-02-2013, 02:57 PM | #346 |
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Member#: 4414
Join Date: Feb 2001
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Vehicle:2002 WRX Sedan Midnight Black |
Yes sir.
Not too surprising. From what I've seen ID1000s tend to top out in the low 400s on E85 / Dynojet and I'm around 410-415 Virtual Dyno with maybe 5% of headroom... so that jives and seems about right to me. The 207 really swallows air easier than an EJ205 too. I suspect an EJ205 would have to be pushing around 22-23 psi to be getting the same flow from this turbo. It was my plan from the beginning to size a turbo purchase for these injectors, as it also seems to be a power level that is about the max comfortable level for a 5 speed too. I'll make a 100% duty cycle tune just to see what the turbo can do, but I'll back down to a 90-95% tune for my daily tune. No real plans to push my setup to the absolute limit. Last edited by Concillian; 05-02-2013 at 03:07 PM. |
05-02-2013, 04:37 PM | #347 | |
Scooby Guru
Member#: 82745
Join Date: Mar 2005
Chapter/Region:
SCIC
Location: So Cal
Vehicle:2005 Subaru STI 2003 EJ207 S204 Wagon |
Quote:
I would except that amount of IDC usage from e85, because of the stoicimetric ratio for the amount of power you are putting out, but not on pump. |
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05-02-2013, 05:03 PM | #348 |
Scooby Guru
Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
Vehicle:2002 WRX Sedan Midnight Black |
I'm running E85. I haven't run 91 octane in years.
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05-02-2013, 05:13 PM | #349 |
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Join Date: Mar 2005
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Vehicle:2005 Subaru STI 2003 EJ207 S204 Wagon |
Lol, i thought you said you were running pump. In any case, you are spot on for e85 with the IDC's. Please post graph when you can. I'm curious to see the spool as well as the type of power band it produces on the ej207.
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05-02-2013, 05:29 PM | #350 |
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Member#: 4414
Join Date: Feb 2001
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Vehicle:2002 WRX Sedan Midnight Black |
Sorry, I didn't notice you said pump gas. I just now noticed that, sorry. I thought it was obvious that I was on E.
Spool right now is 20psi at 3700ish in 3rd, but that's on the 4.44 tranny. it would hit 14psi at 3200 in 3rd on the stock 3.9 final tranny, so 20psi would likely happen around 3400ish. Maybe like 200 RPM slower than a vf... really close. I tuned an 08STi last weekend (on 91) that has very similar final gearing considering tires and all. Spooled 20psi at ~3300 in 3rd, but ~2800 in 4th. Spool is very load dependent and my gearing makes it look pretty bad unless I do a pull in 4th... but 4th tops out around 140 MPH, which is not really something I want to do everyday. Last edited by Concillian; 05-02-2013 at 05:39 PM. |
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