motor = blown, 2004 wrx, what are my options - Page 4
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This is a discussion on motor = blown, 2004 wrx, what are my options within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I guess he's sending me another engine harness and i'm sending mine back....

  1. #46
    Registered User powder's Avatar
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    I guess he's sending me another engine harness and i'm sending mine back.
    Blobeye Syndicate #2004
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    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

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  3. #47
    zax
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    I have to say... You guys have brass balls for spending a pretty chunk of change on a motor (likely) from a wrecked STi in Japan with unknown mileage. I wish you both the best of luck!
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  4. #48
    Registered User powder's Avatar
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    I wouldn't say it's likely they were wrecks. It's way more likely they didn't pass their stringent and expensive inspection process and was sold for parts because it was deemed illegal to drive on Japanese roads. Mechanics are ridiculously expensive there too, so most people just buy a new car.

    If i did a motor build, i would be out about the same amount of money, or more anyways. I think balls would be doing a motor build. This is easy.
    Blobeye Syndicate #2004
    Military Militia #30-06

    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  5. #49
    zax
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    Quote Originally Posted by powder View Post
    I wouldn't say it's likely they were wrecks. It's way more likely they didn't pass their stringent and expensive inspection process and was sold for parts because it was deemed illegal to drive on Japanese roads. Mechanics are ridiculously expensive there too, so most people just buy a new car.

    If i did a motor build, i would be out about the same amount of money, or more anyways. I think balls would be doing a motor build. This is easy.
    But that's the point. You don't KNOW the history of this motor.
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
    Zax's utterly unimaginably stock 2015 STi build thread
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  6. #50
    Registered User powder's Avatar
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    I guess you're right. I guess i am just basing my hopes on other peoples experiences with imported motors.
    Blobeye Syndicate #2004
    Military Militia #30-06

    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  7. #51
    zax
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    Quote Originally Posted by powder View Post
    I guess you're right. I guess i am just basing my hopes on other peoples experiences with imported motors.
    There are always risks. I'm excited to hear your impressions!
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
    Zax's utterly unimaginably stock 2015 STi build thread
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  8. #52
    Registered User powder's Avatar
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    Doing some little stuff since i have some down time. Probably won't help a lot but maybe it will get rid of some turbulence and help with spool time. Who knows. I just don't like lips in my throttle bodies.

    Blobeye Syndicate #2004
    Military Militia #30-06

    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  9. #53
    MTM
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    What are you doing for the AVCS?

    Im debating just buying the kit. I didnt get wiring harness to steal the wiring from. A guy I know says I can switch the TGV wires to the AVCS spot and it will work, but I dont know if I can figure that out

  10. #54
    zax
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    To me the AVCS isn't worth the hassle.
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
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  11. #55
    MTM
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    Ive heard people who ran both ways say its a very noticeable improvement.

    I wasnt sent a wiring harness to steal some of the wires out, so im trying to figure out how to wire it up without buying the IA Performance wiring kit because I dont want to spend $200 on it. lol

  12. #56
    zax
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    Quote Originally Posted by MTM View Post
    Ive heard people who ran both ways say its a very noticeable improvement.

    I wasnt sent a wiring harness to steal some of the wires out, so im trying to figure out how to wire it up without buying the IA Performance wiring kit because I dont want to spend $200 on it. lol
    The AVCS will net about 15 lb-ft of torque in the midrange if tuned correctly. Peak power will remain the same since scavenging isn't enhanced at peak power. Be the judge yourself if it is worth your time and money. To me, I would use the money spent on wiring the AVCS to improve other parts. To play devil's advocate, since you went with the 2.0L, the extra torque in the midrange would be helpful for driving around town.

    TL;DR: wiring the AVCS will give your car a healthy bump in midrange torque but won't make the car faster.
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
    Zax's utterly unimaginably stock 2015 STi build thread
    Zax's Shaggin' Wagon Build Thread Now tuned for 99% pure Unicorn Jizz!

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  13. #57
    MTM
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    TORQUE wins those red light races

  14. #58
    zax
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    Quote Originally Posted by MTM View Post
    TORQUE wins those red light races
    Then why did you opt for the EJ207 over the EJ257 You obviously weren't shooting for torque
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
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  15. #59
    Registered User powder's Avatar
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    MTM, for the bulkhead harness, i bought the IA Performance kit. I was going to use this if i hadn't gotten a wiring harness. True STi Conversion Spec - Import Tuner

    New wiring harness came in today. Got it installed and did some other odds and ends. Put the Perrin turbo inlet on, fresh plugs, did some more cleanup under the timing cover and pulled the belt to swap it for a fresh Gates. Engine porn pics to come once it's all ready to go in. Still have to install the EGT sensor and make sure my Oil Temp Sender will fit under the alt as well. Engine should be able to go in this weekend. I'm pretty stoked.

    IMO, AVCS hasn't been properly explored tuning wise. I believe there's more to gain than what's been done already. My tuner is a magician with variable valve timing. He regularly tunes 600 hp turbo 8th gen Civics, new Mustang GT 5.0's, older vtec B series motors and numerous other variable valve timing motors and he is confident we can get more than just some mid range out of it. Maybe it's a travesty for me to have him tune a Subaru, but he is a close personal friend... and he's doing it for the price of beer (after the driving of course).

    I started a build thread too. Here's the link. powder 2004 WRX EJ207 swap and general shenanigans

    That's where i'll be posting pics as i go.
    Blobeye Syndicate #2004
    Military Militia #30-06

    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  16. #60
    Registered User powder's Avatar
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    This might be useful to you as well MTM. Wiring 2002 WRX Harness to V7 207 ECU - NASIOC
    Blobeye Syndicate #2004
    Military Militia #30-06

    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

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