Latest Dyno results... 360/302
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This is a discussion on Latest Dyno results... 360/302 within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; So I went to the Dyno on friday and here's what I got on my xs450/avo400... 360whp, 302 ft-lbs @ ...

  1. #1
    Moderator MidKnight's Avatar
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    Latest Dyno results(XS450/EJ207)... 360/302

    So I went to the Dyno on friday and here's what I got on my xs450/avo400... 360whp, 302 ft-lbs @ 23psi on 93 octane

    I had a few problems holding me back from making more power.
    1) I had a huge leak at the flange to my external wastegate from my uppipe (probably due to blowing out the gasket on my way to the dyno ) This is without a doubt why my turbo is spooling so slowly right now (~700 rpms later than what I was getting before) After doing some reading apparently the gaskets that are supplied with the Tial wastegate are garbage (so i noticed). Tial themselves says to use the gaskets from the turbonetics unit, so i ordered those already.

    2) I need colder plugs. Junior was pretty adamant about the fact that with 1 step colder plugs I could run more timing and pick up some big power up top aside from the power I would get from fixing the leak I have. The ej207 loves a lot of timing and I can't run it with the plugs I have. I ordered a set of NGK Iridiums in the 8 heat range. Should have those in soon.

    Over all, I'm pretty happy as far as how things have progressed thus far. Having over 300whp at 8k rpms is rediculously fun. I can't wait to get my issues worked out and my ra gearset in!!
    Attached Thumbnails Attached Thumbnails Dyno graph - ej207 xs450.jpg  
    Last edited by MidKnight; 04-08-2006 at 10:56 AM.
    '03 WRX
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    "Stuff sold by the gram is always going to be more exciting than stuff sold by the pound." - Jeremy Clarkson

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    Registered User AwdTurboWrx's Avatar
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    WOW..congratulations!!! looks good.....you and 13secwrx keep going bigger and bigger...but it looks like he might sell his

    so how big of a difference will the fixed leak make as far as hp goes??
    The Ghosts of Zooph and Sarcasmo Will haunt CLUBWRX forever!!!

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    Moderator MidKnight's Avatar
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    Quote Originally Posted by AwdTurboWrx
    WOW..congratulations!!! looks good.....you and 13secwrx keep going bigger and bigger...but it looks like he might sell his

    so how big of a difference will the fixed leak make as far as hp goes??
    Yea, it's sad to see Will selling his baby!!

    As far as power form the leak, it's reall hard to tell. It's very audible. I had walked in there aiming for 375whp and afterwards Junior was more than confident that I would easily get that when all was fixed up. We will see...
    '03 WRX
    '01 2.5RS
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    "Stuff sold by the gram is always going to be more exciting than stuff sold by the pound." - Jeremy Clarkson

  5. #4
    Registered User AwdTurboWrx's Avatar
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    wow 375whp ..nice!!! ..and better spool up once leak is fixed nice...are you planning on upgrading tranny?
    The Ghosts of Zooph and Sarcasmo Will haunt CLUBWRX forever!!!

  6. #5
    Moderator MidKnight's Avatar
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    Quote Originally Posted by AwdTurboWrx
    wow 375whp ..nice!!! ..and better spool up once leak is fixed nice...are you planning on upgrading tranny?
    Last sentence in my first post....
    '03 WRX
    '01 2.5RS
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    "Stuff sold by the gram is always going to be more exciting than stuff sold by the pound." - Jeremy Clarkson

  7. #6
    Registered User AwdTurboWrx's Avatar
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    ooops sorry...loooks good than
    The Ghosts of Zooph and Sarcasmo Will haunt CLUBWRX forever!!!

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    Registered User WillMX's Avatar
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    congrats on the dyno . too bad will is selling his car
    '02 PSM WRX -- turboxs turboback w/ magnaflow muffler, perrin up-pipe, helix tmic, ecutek
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    Registered User ebr0t's Avatar
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    nice #s are the RA's really going to hold that power though. esecpcially since youll be making even more then this soon.
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    Registered User Timdog1650's Avatar
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    Were you getting detonation or any kind of misfiring up top with this tune? Seems like you should have been running more boost than just 23lbs on that turbo. Bummer about the plugs though, it must drive you crazy to be ALMOST there when once again a few little things hold you back.
    The 8k powerband is awesome though, isn't it?! I could spend all day and night above 6krpm and never feel a drop off....it's amazing!

    PS your AFR's look super safe! How are your injectors doing, any idea what kind of duty cycle they're at?

  11. #10
    Moderator MidKnight's Avatar
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    Quote Originally Posted by ebr0t
    nice #s are the RA's really going to hold that power though. esecpcially since youll be making even more then this soon.
    I've gotten my stock gears to hold at 341whp for quite a while, so I'm pretty sure I can manage to get the ra's to hold. People usually say the ra's are good for about 350whp so I'm not too far past that.

    Quote Originally Posted by Timdog1650
    Were you getting detonation or any kind of misfiring up top with this tune? Seems like you should have been running more boost than just 23lbs on that turbo. Bummer about the plugs though, it must drive you crazy to be ALMOST there when once again a few little things hold you back.
    I was getting some knock up high in the powerband, which is most likely a result of my plugs. That's on eof the reason I need colder plugs. I wanted to advance timing at least another degree before I started adding more boost. Once I get the issues sorted. I'll throw more at her.
    It does suck being almost there, but even in this state the car absolutely rips! I get great pull from 5k to 8k (I need about 500 more rpms down low to really be happy), and the external wastegate holds boost very solid and boy does it sound mean!
    '03 WRX
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    "Stuff sold by the gram is always going to be more exciting than stuff sold by the pound." - Jeremy Clarkson

  12. #11
    Registered User Timdog1650's Avatar
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    You think this new gasket will give you 500rpm more to play with? I figure it should be good for a bit more boost down low....*ordered new plugs just now*

  13. #12
    Moderator MidKnight's Avatar
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    Quote Originally Posted by Timdog1650
    You think this new gasket will give you 500rpm more to play with? I figure it should be good for a bit more boost down low....*ordered new plugs just now*
    Fixing a leak like that can definitely give me back 500 rpms and some more torque down there. Like I said, we'll see!
    '03 WRX
    '01 2.5RS
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    "Stuff sold by the gram is always going to be more exciting than stuff sold by the pound." - Jeremy Clarkson

  14. #13
    Registered User XxScoobYxX's Avatar
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    wow great numbers man goodluck with reaching your goal..

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    Registered User UURX02's Avatar
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    Quote Originally Posted by MidKnight
    300whp at 8k rpms is rediculously fun. :
    I BET!! very impressive numbers man....
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    Registered User Boosted4's Avatar
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    Werd. Very nice, is the ej207 built or did those come with forged internals?
    '02 PSM Wrx

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