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Old 04-11-2012, 08:14 PM   #3176
Jubert39
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JDM v7 STI spec-C

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Quote:
Originally Posted by Clark Turner View Post
You likely do not have a Spec C RA engine. But you can use the RA ecu or any V7 ECU. There are issues with 8, and 9 ecus. Some can be worked around but you likely cannot run the correct rom for your engine. Order a V7 STI or RA ECU as a replacement. It really sucks that ECUtek did that to you man.

C


JDMracingmotors told me it was the JDM STI LIMITED motor. It is the SPEC C but with AC (the s202 and type RA didnt have one)
Engine Code #:EJ207DW4ER-026-658525-K610
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Old 04-11-2012, 08:26 PM   #3177
25rsti
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Seems right to me. The ER is a special edition code.
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Old 04-11-2012, 08:34 PM   #3178
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yup, that would be spec c. I have the same engine #, off an S202.
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Old 04-11-2012, 08:38 PM   #3179
Jubert39
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JDM v7 STI spec-C

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so i plan to mod my car (right now its "stage 2") I plan on adding EWG and ELH. And of course ill need a retune- so thats why I am in need of a way to unlock my ECU, or find another ECU. So I guess I have to find any v7 then as Clark mentions? V8 will not work? v9 DEF a no go?
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Old 04-11-2012, 08:40 PM   #3180
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I think v8 would work.
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Old 04-12-2012, 11:17 AM   #3181
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Any of you fine folks have a AH581 pinout?....my v8 (E85) conversion runs fantastic so far (still tuning it), but the car has an issue:

-Illumination/tail lights stay on...always
-Back up lights do not work
-Charge light is on...alt output is around 15.5 at the battery (USDM alt)
-Brake indicator stays on

I've looked at the JDM/USDM schematics. I recognize the relationships / possible current flow w shorts in the wiring...I think it's ecu related. The car did not have these issues before. I have grounds (good ones) on the intake to chassis, A/C to chassis, etc. Not a ground loop issue, I don't believe.

Help?

BTW, for the noobs... If you are responding to a post, please quote the person you are providing info for; this thread is already convoluted enough.

S.
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Old 04-12-2012, 11:20 AM   #3182
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Quote:
Originally Posted by Jubert39 View Post
JDMracingmotors told me it was the JDM STI LIMITED motor. It is the SPEC C but with AC (the s202 and type RA didnt have one)
Engine Code #:EJ207DW4ER-026-658525-K610
The looks of that sticker would concern me.

I've seen more JDM engines than the average joe, and I've never seen a sticker that looked like it was peeled off. Scary, considering what they expect for these engines.
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Old 04-12-2012, 11:42 AM   #3183
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To me, Thats clearly a fake sticker. Sorry. People have been installing those stickers on the japan side for many years now and gaining the premium for the RA engine. Sorry man that really sucks.

I would start by unplugging the engine connectors by the battery. Use an ALL and push the pins in and reseat them.

Make sure your intake temp sensor on the back of the manifold is unplugged. Your engine could have it but the chassis does not. Also. On your car there is no Blow by sensor. If your engine still has this plugged in, Unplug it. Its on the inlet pipe. If you plug this in, Your ecu will error as your 02 wiring does not route that back correctly. Its not needed. Just turn the code off.

As for the Reverse lights. You need to plug in the chassis connector to the trans. Maybe you swapped the plugs here? Common mistake. You can also log the neutral switch. Its likley not working. If the reverse light and neutral switch does not work. Your AVCS wont either. depending on which trans you have, you may need to swap the NPS in the rom or change the neutral switch to the oposite direction type switch if the rom does not have that option.
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Old 04-12-2012, 11:46 AM   #3184
Jubert39
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Quote:
Originally Posted by n2xlr8n

The looks of that sticker would concern me.

I've seen more JDM engines than the average joe, and I've never seen a sticker that looked like it was peeled off. Scary, considering what they expect for these engines.
My radiator ship the bed a couple months ago, and it got all over the cam covers. Thats why the sticker looks dirty.
It wasnt peeling prior to the hot coolant spilling on it. The pic was taken in the shop while it was getting cleaned up
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Old 04-12-2012, 11:59 AM   #3185
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Quote:
Originally Posted by Clark Turner View Post

I would start by unplugging the engine connectors by the battery. Use an ALL and push the pins in and reseat them.
to add, make sure the locking pins are not broken. I had to source an engine wiring harness from a wrx to take it's connector. Mine was ****ed and wires would come out... a nightmare.

good luck.
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Old 04-12-2012, 12:03 PM   #3186
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True.. From memory its a black plastic piece. I had a very troubled car once that I rigged, I mean I fixed, with a few Zip ties over the connector.

This issue is very common on 06 to 07 STIs. The motor mounts where crap. When they would loosen up, the motor would twist and pull on that connector and yank the wires. What a mess. People would get phantom codes, throttle errors all kinds of trouble.

C
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Old 04-12-2012, 12:32 PM   #3187
Jubert39
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also- jsut to add i DO NOT have the type RA. Its the JDM limited (which from what I was told shares the same engine- big port heads like the v8 with the forged v7 internals) Also the vf30 instead of the vf34 as well as a different tune. jdm limited v7 also has AC.

Any other way you can PROVE that its not a JDM limited motor, and not just a regular v7? based on the code (i have the JDM STI limited v7).
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Old 04-12-2012, 12:35 PM   #3188
WRick
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matching gearbox # to engine code

do you have factory trans cooler ?
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Old 04-12-2012, 12:39 PM   #3189
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Hey Dan, I guess now V7s have smaller ports then the V8s

C
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Old 04-12-2012, 12:40 PM   #3190
Jubert39
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Quote:
Originally Posted by WRick View Post
matching gearbox # to engine code

do you have factory trans cooler ?
unfortunately i only bought the engine package, so tranny was left behind.
I was curious- waht about the intake manifold? How the the intake manifolds compare between the v7, v7 limited, v7 s202, v7 spec C. I know the v7 have the TGV-less intake manifold (but its not one solid piece). Is the v7 limited like this as well, or is just a one piece long runner IM.

and excuse my noobery, but where is the trans cooler lol.
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Old 04-12-2012, 12:42 PM   #3191
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Quote:
Originally Posted by Clark Turner View Post
Hey Dan, I guess now V7s have smaller ports then the V8s

C
time to drive back and jump my car into the Grand Canyon
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Old 04-12-2012, 12:53 PM   #3192
Jubert39
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JDM v7 STI spec-C

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Quote:
Originally Posted by Clark Turner View Post
Hey Dan, I guess now V7s have smaller ports then the V8s

C
Im almost certain this is sarcasm- but i dont know you, so its not so easy to tell. Correct me if im wrong, but early v7 models were small port. later v7,v7 spec C, and v8+ were all bigger port.

All info I found was through various searches on nasioc (you know, where if you ask a stupid question they say "SEARCH NOOB!") so I did, thats what i found...

Is the information I've been reading completely false?
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Old 04-12-2012, 01:09 PM   #3193
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Quote:
Originally Posted by Jubert39 View Post
I know the v7 have the TGV-less intake manifold (but its not one solid piece).
from what i know all of JDM's engine DO NOT have TGV. not only the V7. correct me if im wrong. But i've seen people opened up engines and i didnt see the TGV on em.
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Old 04-12-2012, 01:21 PM   #3194
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Quote:
Originally Posted by Jubert39 View Post
and excuse my noobery, but where is the trans cooler lol.
Pretty sure its right under the trans towards the bellhousing. It would have hardlines on the left hand side of the trans aswell. My trans has one. (V7 Spec C trans)
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Old 04-12-2012, 01:30 PM   #3195
Jubert39
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Quote:
Originally Posted by jjasonn

from what i know all of JDM's engine DO NOT have TGV. not only the V7. correct me if im wrong. But i've seen people opened up engines and i didnt see the TGV on em.
Yea- correct. Thats why i said "tgvless"

Quote:
Originally Posted by 25rsti

Pretty sure its right under the trans towards the bellhousing. It would have hardlines on the left hand side of the trans aswell. My trans has one. (V7 Spec C trans)
Makes sense- but i dont hve the tranny so doesnt matter in my case. I was just curious if there was a way to tell a difference between v7 and v7 limited (since thats technically what i have- not the spec c type ra)
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Old 04-12-2012, 01:45 PM   #3196
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I'm hoping to have my motor delivered tomorrow.
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Old 04-12-2012, 01:49 PM   #3197
Jubert39
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Quote:
Originally Posted by 25rsti
I'm hoping to have my motor delivered tomorrow.
Nice- what kind?
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Old 04-12-2012, 03:44 PM   #3198
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v9 longblock with v8 ecu
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Old 04-12-2012, 05:36 PM   #3199
sk8boylou
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I am going to be receiving my V8 longblock tomorrow and hopefully have it installed the following week. My only question is will i be able to drive the car around safely with an E-Tune from Clark Tune or other reputable tuners on this thread or are those tunes only safe to drive on for a short time? I will be using 93 octane gas, and the only mod the car has is a 3 inch cat back exhaust.
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Old 04-12-2012, 06:03 PM   #3200
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Quote:
Originally Posted by sk8boylou
I am going to be receiving my V8 longblock tomorrow and hopefully have it installed the following week. My only question is will i be able to drive the car around safely with an E-Tune from Clark Tune or other reputable tuners on this thread or are those tunes only safe to drive on for a short time? I will be using 93 octane gas, and the only mod the car has is a 3 inch cat back exhaust.
Those tunes are okay for permanent tunes... just go through all the logging steps they request.
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