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11-30-2018, 10:05 AM | #26 | |
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I only work on it on week-ends... There were some challenges along the way but so far so good... What transmission are you planning on using?
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11-30-2018, 10:16 AM | #27 | |
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Member#: 440611
Join Date: Feb 2016
Location: Nashville, TN
Vehicle:2015 WRX Silver |
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I would probably attempt to use the tranny from the donor. I was hoping to eliminate as many difficulties as possible and transfer as much as possible. |
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11-30-2018, 11:21 AM | #28 |
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Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
I don't think the tranny would make much difference with these. The only big difference is the newer cars get wheel speed off of wheelspeed sensors (DCCD Pro makes a fix for this) instead of off the transmission. So in reality your bugeye or STi 6-spd (already swapped into FA cars) would bolt right up to the FA20DIT MT. (CVT has a different pattern from FSM pics, as does the NA FA20).
I've been looking into doing an FA20DIT swap into my GC as well. My big question comes in terms on the canbus and integration of all the sensors (or satisfying the ECU for their absence), when swapping over. What is really required? I'm guessing fuel tank sensors, gauge cluster, SI-drive stuff, vehicle control sensors, and buttons, etc...? |
11-30-2018, 11:31 AM | #29 | |
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Member#: 440611
Join Date: Feb 2016
Location: Nashville, TN
Vehicle:2015 WRX Silver |
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11-30-2018, 11:46 AM | #30 | |
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Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
Quote:
Yeah, if you do a full wiring swap over to the bugeye chassis, the ECU and all shouldn't even know it's in a new chassis. It's be a lot of mechanical things to that most likely. Brackets for dash parts, maybe ABS related (brake lines), etc... |
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11-30-2018, 11:54 AM | #31 | |
Scooby Newbie
Member#: 440611
Join Date: Feb 2016
Location: Nashville, TN
Vehicle:2015 WRX Silver |
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11-30-2018, 02:05 PM | #32 | |
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Member#: 464101
Join Date: Mar 2017
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My main concern was being able to cope with the immobilizer but as long as the stock dash, stock ignition, BCU and ECU are wired in, you're good to go. Ref http://www.subarugears.com/subatronics/ |
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12-01-2018, 12:36 AM | #33 |
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Member#: 33782
Join Date: Mar 2003
Chapter/Region:
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Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
I knew Subaru gears but the canbus side of their business is new to me. Awesome!
Do you know if a Cobb Accessport can still communicate with it? The page talks nothing about flashing the factory ECU. |
12-01-2018, 04:00 PM | #34 |
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I have not tried it yet but led to believe it will work.
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12-11-2018, 10:46 PM | #35 |
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Member#: 469875
Join Date: Jun 2017
Location: San Diego
Vehicle:2001 Impreza 2.5 RS Sedona Red Pearl |
sub'd can't wait to see finished product
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12-17-2018, 07:18 AM | #36 |
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Member#: 464101
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For anyone interested in this project, here a small clip of it moving under its own power. We only drove it to the 2nd shop th finish some welding.
Still need to wire up the VSS from the transmission to the Subatronics module. Got the lower dash and driver seat mounted last weekend. Wheels are being made and should arrive in early Jan. I'll try to report on progress more often... Thanks for the help and interest |
01-18-2019, 11:59 AM | #37 |
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Member#: 440611
Join Date: Feb 2016
Location: Nashville, TN
Vehicle:2015 WRX Silver |
Still going strong??
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05-19-2019, 10:43 PM | #38 |
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Member#: 464101
Join Date: Mar 2017
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Running
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03-10-2020, 09:19 AM | #39 |
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Join Date: Mar 2017
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Anybody have any idea what would prevent the ECU from being retuned/reflashed?
We're 99% sure the donor was never tuned. We can read the ECU and data log but cannot push a new tune (via COBB or ECUTEK). The BIU and ECU are hooked up. So is the dash and barrel (key). We've tried adding some of the missing components individually: - TCM - Airbag (has hard fault) - Power Steering - Security CM Seems something is preventing the ECU to go into program mode. Still waiting on ABS module to try that but not holding my breath. We're working with COBB but their support for "swaps" is limited. Ps. We're 2 having the exact same issue. Any suggestions is welcome at this time... |
03-12-2020, 03:44 AM | #40 |
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Join Date: Nov 2017
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Great
Wow that is a cool project, I love how it was reinvented.
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03-12-2020, 08:27 AM | #41 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
Knowing enough of how CAN systems work, and how Cobb supports, or doesn't, swap questions (understandable), I'd have said to try and talk with everything in the donor car before pulling.
You guys are using a CAN emulator if I recall, right? |
07-24-2020, 04:35 PM | #42 |
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This build is wild!
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09-17-2020, 10:57 PM | #43 | |
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Member#: 464101
Join Date: Mar 2017
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Quote:
That would have been the right thing to do but a little late now... Yes I'm using a CAN emulator but even with it disconnected I get the same result. I tried connecting the other computers (TCM, ABS, Power steering, SRS) individually and all at once but did not fix the issue. I'm wondering if the 'triggered' SRS module after the crash is preventing the ECU to go into programming mode... Someone mentioned that some Subarus can't get new keys re-programmed after a crash... I'm considering having the SRS module reset to try... We will continue to experiment over the winter... |
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08-24-2021, 11:17 AM | #44 |
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Member#: 464101
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Project: Meyers Manx Manxter 2+2 SS with FA20T
We just returned from a 24 day 10,000km road trip with our buggy and happy to report that it’s still running strong.
We just past the 100,000 (67k miles) mark. |
09-07-2021, 03:58 PM | #45 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
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Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
That's awesome. Still such a cool project.
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02-25-2022, 05:44 AM | #46 |
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For anyone interested in our project, here are a couple of "walk around" videos I made recently...
Cheers. |
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