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Old 01-24-2009, 02:07 PM   #1
MoclovFlop
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Default FS: Ver. 3/4 STI ECU

Don't need this anymore because the swap's not happening:

Ver. 3 STI ECU. Actually from an STI R (oh snap tYpE R YO!!!).

Codes:
6S
2261 AD170
A18-000 D35

Compatible with EJ20K and converted 20R engines. Handles VF39s and accompanying mods without out fuss.

$175.00/obo
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Last edited by MoclovFlop; 02-02-2009 at 03:43 PM.
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Old 02-02-2009, 03:43 PM   #2
MoclovFlop
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Bump, lower price.

Last edited by MoclovFlop; 02-03-2009 at 03:09 AM.
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Old 02-02-2009, 10:18 PM   #3
fishheadback
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hmmm, thats the same ecu I have, didnt know it was from an STi type R.


Bump for you and a good running ECU!

8kish redline (only taken mine to 8k) peak 20-21psi boost!
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Old 02-03-2009, 06:37 PM   #4
Rockzilla
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Default Ecu

pm sent

Last edited by Rockzilla; 02-03-2009 at 06:43 PM.
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Old 02-04-2009, 04:05 PM   #5
elislider
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i dont think it was a from a type r. the type r/ra has 4 plugs for the v3 and isnt a 6S. the 6S is what i have and its a normal v3 STi and has 3 plugs like the usdm 1.8 ecu

edit: i wanted to confirm this for myself and did some more research. i cant find any hard info about it. some say the sti and sti r/ra have different ecus, and some say the sti and r/ra have the same (6S) ecu. some say the ra has 4 plugs and sti has 3, and some say vice versa... at the very least i know my engine is a standard my97 v3 sti (non-r/ra) and it has the 6s ecu. the rest of the engine was stock (stock piping, stock turbo, stock wiring) except for a vaccum tap for a MBC (i think). so its possible the 6s is the r/ra ecu and it was swapped into this car, but that would only make sense if the r/ra ecu and standard sti have same # of plugs, which i was told they dont. so i think i can say for a fact the sti v3 (non-r/ra) is 6S ecu

Last edited by elislider; 02-04-2009 at 04:14 PM.
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Old 02-05-2009, 03:14 PM   #6
MoclovFlop
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This was actually pulled directly from an STI Type R in New Zealand and sent to me from my friend Ruben (RubenH on here). From what I've read, the Type R wasn't really anything special anyways, just a coupe STI with some special stuff including the upgraded tranny, but still running the basic V3/4 engine.

On the note of plugs, I think it depends on the engine. Ej20K and EJ20R (same engine but single or twin turbo respectivly) have 3 plug ECUs, G and H are 4 plug.

I could be very wrong, regardless, this was pulled from a Type R.

Last edited by MoclovFlop; 02-05-2009 at 03:21 PM.
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Old 02-21-2009, 11:07 AM   #7
MoclovFlop
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Back Up Again... make an offer.
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Old 03-09-2009, 05:18 PM   #8
MoclovFlop
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Back up. Still have it
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Old 03-10-2009, 01:48 AM   #9
PhilSine
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It might be noteworthy to mention if you have the connectors to go with the harness so an easy USDM to JDM swap can be made.

Looking at voltages and all, every USDM sensor should work with the JDM ECU. There are a few minor variances but I'm not sure if they'd affect how the car ran.

Feel free to correct me if I'm wrong.

GL with the sale.
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Old 03-10-2009, 02:06 AM   #10
MoclovFlop
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Ideally this would be for someone who already has an Ej20K/R (even more ideal for someone with an R that wants to convert to single turbo!) engine and wanting to upgrade or replace their ECU. Or if you have a swap that didn't come with the ECU for some reason.
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Old 03-10-2009, 12:00 PM   #11
Jaxx
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Quote:
Originally Posted by PhilSine View Post
It might be noteworthy to mention if you have the connectors to go with the harness so an easy USDM to JDM swap can be made.

Looking at voltages and all, every USDM sensor should work with the JDM ECU. There are a few minor variances but I'm not sure if they'd affect how the car ran.

Feel free to correct me if I'm wrong.
your completely wrong


the R would be a 3 plug only the ej20gs are 4 plug
the standard 97/98 ej20k ecu is a 1S (which has a 7500 red line)
the 6s should have a 8250 redline (which would be too high for a standard k or R) the heads are different
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Old 03-10-2009, 02:15 PM   #12
MoclovFlop
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Jaxx,
I'm assuming you are saying I'm wrong with what I've said through out the post, not just specifically the quote from that guy, Correct?

Because I did say what you said, I noted that the EJ20R and Ej20K are 3 plug motors.

Also, is it possible to use the ECU with the K and R and just watch your redline?
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Old 03-10-2009, 08:56 PM   #13
Jaxx
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yes you are correct

philsine is thinking honda not subaru
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Old 03-11-2009, 12:38 AM   #14
PhilSine
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Quote:
Originally Posted by Jaxx View Post
yes you are correct

philsine is thinking honda not subaru
I'm certainly not thinking Honda.

Sensors, not ECU connectors.

The fact that the ECU connectors are different is a given. What I'm talking about is if a USDM GC8 owner were to desire to add a turbo to a NA engine he'd have to either run a piggy back ECU, do a swap from a turbo'd Subaru ECU, or run a stand alone ECU.

When you look at the spec sheets of what the sensor inputs are supposed to be from a JDM Subaru vs a USDM Subaru you notice that most voltages are exactly the same and the few that vary are only by a little bit. With that in mind, a USDM GC8 Subaru owner could splice in a JDM ECU if he had the connector that went along with the ECU. Without that connector, the ECU is useless for that intended purpose.

If this is completely incorrect, please say so. I'm sure there are people out there that would like to know if what I said will work.

In my assessment, doing a JDM ECU swap into a USDM GC8 is the most cost effective and safest (for the engine) to do. I know there's more involved than just ECU's but when you add up all else that's left, it's still cheaper.
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Old 05-16-2009, 06:25 PM   #15
MoclovFlop
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Back from the dead. Still have it.
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Old 07-31-2009, 11:58 AM   #16
martystoked
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will this ecu work for a ej20k wrx swap??
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Old 06-26-2012, 05:39 PM   #17
GGSimpreza
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Bringin this back from the dead. So the 6S will work in the place of any 3 plug ECU? (2S 4W, etc.)
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