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Old 12-20-2018, 12:58 AM   #1
PDXREALTOR
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Default EFR B2 Frame in 15* STI

Anyone have or know of any pics of a B2 frame BorgWarner Efr in a 15+ sti? I'm wondering what if any modifications need to be done for fitment.
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Old 12-20-2018, 09:56 AM   #2
goneagain2011
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Have EFR7670 twin scroll no major issues. Mostly had to change the path of the main wire harness and wrap some other accessories for heat protection. This was with a ETS twin scroll kit.
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Old 12-20-2018, 10:13 AM   #3
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Quote:
Originally Posted by goneagain2011 View Post
Have EFR7670 twin scroll no major issues. Mostly had to change the path of the main wire harness and wrap some other accessories for heat protection. This was with a ETS twin scroll kit.
Thx. Do you know how much difference there is between the ETS and full race kit? I'm wondering about the full race kit. Should have been more specific.
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Old 12-20-2018, 10:43 AM   #4
goneagain2011
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From reading Full Race install notes the ETS kit is easier to fit up but the down pipe is not as friendly for exhaust flow. For my application was willing to give up a little performance. With the ETS arrangement makes accessing the turbo and waste gates fairly easy.


https://drive.google.com/file/d/1vkF...Ev2kIOROy/view

https://drive.google.com/file/d/1Uq4...ew?usp=sharing

https://drive.google.com/file/d/1T11...ew?usp=sharing

Last edited by goneagain2011; 12-20-2018 at 11:12 AM.
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Old 12-20-2018, 11:06 AM   #5
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Nice setup up you have there. I also like your Inferno heat shield - and just put it in my cart at Amazon since I'm in the same boat having just installed a Perrin oil cooler kit.

I talked with ETS, but, in the end I favored Full Races location a bit more, which is good because ETS only does TS BW setups and I'm sticking with single scroll.

There is a lot of info on b2 frames in the 14 MY and under cars. It's no secret the ABS module needs moved. But, in the 15+ cars I'm wondering if that's the case.

I got a bunch of pipes and filters here (on borrowed time) to fab something up but my kit from FR is 3-4 weeks out. So... I'm trying to get any idea on the 15+ MY STIs.

You can see this install on a 14 STI. Notice how the relocated ABS module has the conical portion just above the inlet of the turbo. Notice how the conical portion lines up with the strut tower and associated attachments.





Now looking at my 2017 ABS module you can see it's a different design, and without being moved it lines up similar to the relocated MY 14 module.

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Old 12-20-2018, 11:25 AM   #6
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Old 01-16-2019, 02:56 AM   #7
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Default Subaru STI EFR Rotated Kit - Perrin

Perrin EFR rotated kit for Subaru STI - Nice fit.

Here's a pic for anyone like myself who was searching high and low for kits, and clearance with these EFR turbos!

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Old 01-16-2019, 09:04 PM   #8
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Whoa!!! That's a lot of angle on the CHRA. I don't recall Borg's limit on them off-hand buuuuuutttttttt I'd double check.
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Old 01-16-2019, 09:09 PM   #9
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Quote:
Originally Posted by Homemade WRX View Post
Whoa!!! That's a lot of angle on the CHRA. I don't recall Borg's limit on them off-hand buuuuuutttttttt I'd double check.
Right? I luuuuuuuuuvvvvvvvvvvvvvvvvvvvvvvvv the way it looks. BW specs +/- 20 degrees.

Perrin wrote once that with the double bearing assembly they would bet up to 45* would be no problem.

I don't know exactly what degree it is, but, I trust Perrin. They did a ton of research on the Borgs and have been in the Subie game for ... well... you probably know more of the history than me.
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Old 01-17-2019, 01:38 AM   #10
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people install or produce kit like this but you should check twice, or contact bw

page 74

It is not recommended to install the turbo
considerably nose-up or nose-down. It was validation tested to be
installed “flat” with respect to the ground.

http://www.turbos.bwauto.com/tools/d...nt&r=759&d=901
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Old 01-17-2019, 01:41 AM   #11
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I'm not concerned. Thx for pointing that out though. Appreciated!
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Old 01-21-2019, 11:14 AM   #12
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Yeah, I always try to keep the turbo shaft as close to parallel with the ground due to thrust load and oil drain back.

But I'd be curious to see how this goes in a long term test.
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Old 01-21-2019, 11:53 AM   #13
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Yeah, I busted out my protractor and verified the CHRA wasn't more than 20 degrees off. I'd be hesitant to run that much offset. but EFR DBB are very stout so curious your results.
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Old 01-21-2019, 01:03 PM   #14
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^^ funny, I printed off a degree wheel.
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Old 01-21-2019, 07:06 PM   #15
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Just noticed the hot side pipe routing. Your hood will close with that? crazy
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Old 01-21-2019, 08:41 PM   #16
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Barely clears.
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Old 01-21-2019, 08:57 PM   #17
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I thought about routing mine over the intake manifold, but I routed it under. Kind of a PITA when you want to test for leaks but its cool looking lol
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