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 I need opinions from old friends 
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Joined: April 07 2008, 1:06 PM
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Location: Manitoba
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Post I need opinions from old friends
People. I sold/scrapped all my MX-3's, but you are by far the best online car community I know.

I need a soundboard of technical people.

I got myself into a nightmare swap with Subarus.

I am putting an EJ20K from a GC8 JDM STI (2.0 turbo, 280hp) into a USDM SG Forester X (2.5L NA, 160hp).

Mechancially, the swap is a breeze. Plug and play - yay!

The wiring harnesses are completely different. Different bulkhead plugs, different ECU plugs, one is RHD one is LHD.

In order to avoid literally building a new harness.... I had this crazy idea.

What is stopping me from stripping down the STI harness to the bare bones engine control, and running it in parallel with the stock Forester ECU? The Forester will never know the engine is running, and the STI will never know it's in a whole entire car.

Do you see any problems with this idea? All I can think of so far is that the Forester can't know the engine is turning (thinks key ON, engine OFF all the time) and the STI ECU has to know everything about the motor, and likely control the fuel pump as well. Have to port signals to the gauge cluster, only letting the appropriate ECU know whats going on.

Thoughts? Opinions? Game changing ideas? Deal breakers?

Thanks in advance,

Ryan

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Now with Moderator power!

Black '93 BP RS - wrecked, parted, scrapped.
Green GS - Sold.
Black GS - Summer DD/Race car - Fancy KLZE
Red GS - K8-ATX -> MTX-KLDE - Frakencar. Scrapped
White GS - Rusty. Parts. Scrapped
1997 BMW M3 - my summer baby
2002 BMW 325Xi - sold
2003 Forester Xti - EJ20K swapped.
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May 27 2016, 12:24 AM
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Joined: June 18 2007, 10:51 AM
Posts: 7055
Location: Trenton ON.
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Post Re: I need opinions from old friends
Have you joined this site yet? http://www.toronto-subaru-club.com/ or this site http://forums.nasioc.com/ Finally a guy on the TSC site who loves frankensteining things handle is itsamysteray { http://www.toronto-subaru-club.com/forums/forum348/} subject his name and he will answer you pretty quick. He lives about 20mins from me. Cheers you young punk ;)

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2004 Subaru WRX Silver, stage 2, minty interior.
2002 Subaru WRX Blue, SOLD (best E test numbers I've ever seen)
94 MX-6. Sold
92 GS KLZE 5 Speed
96 GS 5 speed, KLZE, Sold
95 GS Minty Shape Sold
92 GS Sold
92 GS Parts Car scrapped.
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7477th member.

I know you believe that you understand what you think I said but I'm sure you realize that what you heard is not what I meant.


June 13 2016, 8:10 PM
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Joined: May 16 2007, 10:05 PM
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Location: Albany, NY
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Post Re: I need opinions from old friends
The solution is to buy an MX3?


June 15 2016, 8:30 PM
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Joined: November 18 2007, 4:05 PM
Posts: 1580
Location: Crown Point, IN (Chicago area)
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Post Re: I need opinions from old friends
See if you can get ahold of Ganue on here. If I recall, him and his son would do Subi swaps often....along with buying every SE mx-3 they saw, lol. They're on NASIOC, too. They might be able to help.

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'95 MX-3 RS - Project "Déjà Vu"
'93 MX-3 GS - SOLD!
'93 MX-3 GS SE - Parts car!
'94 MX-3 GS - Scrapped
'94 MX-3 RS - Scrapped
'96 Sunfire SE - Collects dust
'03 Sunfire SE - Deathtrap
'95 Cavalier Base - Collects dust
'94 Thunderbird LX - Collects dust
'89 Mustang GT - SOLD!


June 18 2016, 11:21 AM
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Joined: June 18 2007, 10:51 AM
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Location: Trenton ON.
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 Re: I need opinions from old friends
Finally, answer us back. Reply damn you reply! :lol:

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2004 Subaru WRX Silver, stage 2, minty interior.
2002 Subaru WRX Blue, SOLD (best E test numbers I've ever seen)
94 MX-6. Sold
92 GS KLZE 5 Speed
96 GS 5 speed, KLZE, Sold
95 GS Minty Shape Sold
92 GS Sold
92 GS Parts Car scrapped.
Feedback viewtopic.php?f=37&t=66348" onclick="window.open(this.href);return false;
7477th member.

I know you believe that you understand what you think I said but I'm sure you realize that what you heard is not what I meant.


July 07 2016, 8:23 PM
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Joined: April 07 2008, 1:06 PM
Posts: 7198
Location: Manitoba
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Post Re: I need opinions from old friends
Sorry!

I got it sorted. It all worked out in the end! I spliced the harnesses, but maintained the old one, so this silly swap is reversible!

http://www.subaruforester.org/vbulletin ... mb-601986/

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Now with Moderator power!

Black '93 BP RS - wrecked, parted, scrapped.
Green GS - Sold.
Black GS - Summer DD/Race car - Fancy KLZE
Red GS - K8-ATX -> MTX-KLDE - Frakencar. Scrapped
White GS - Rusty. Parts. Scrapped
1997 BMW M3 - my summer baby
2002 BMW 325Xi - sold
2003 Forester Xti - EJ20K swapped.
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May 23 2017, 11:23 AM
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