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This is a discussion on 300whp within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; So I have a 2003 wrx bug eye 2.0 turbo I am looking into fuel upgrades and turbo and fmic. ...

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    300whp

    So I have a 2003 wrx bug eye 2.0 turbo I am looking into fuel upgrades and turbo and fmic. Those are my next steps on the car. I am just wondering what is a good size fuel injector for a aftermarket turbo and a good turbo but nothing way crazy. I am looking for good brand ideas and sizes of stuff. Looking for 300-350whp.

    What I am looking for
    . Good reliable parts for Daly driver
    . What is a good order for the upgrade
    . Good sizes on top feed injectors
    . Good size on turbo
    . Good size on fuel pump

    If you know any kids out there let me know.

    If I should by all new or used?

    Anything will help thanks all.

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  3. #2
    Registered User lytlec's Avatar
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    Start with a compression test before you start modding.
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    MAINEiac 11blackSTi's Avatar
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    What is your budget?

    Your exhaust system is going to need to be done in addition to the modifications you listed if you want to see the benefit. The downpipe at least.

    I would do the injectors/fuel pump (injector dynamics injectors, probably 1000cc, and either walbro and DW are good fuel pumps), as well as replace the intercooler first. Since you have a bugeye your stock BPV should be fine for 300-350 whp. I would actually stick with a top mount intercooler for your power goal and go with a ProcessWest or ETS.

    Then I would do the turbo. Blouch turbos have a great track record and you could get your power goal easily with a TD05H - 16G turbo.

    BUT...I agree with lytec. Get all your maintenance up to date and ensure the engine is healthy before you start modding heavily. And do a ton of research and learn about the modification you are going to make. You will need to decide on things such as tuning route, and supporting modifications. With increasing the power that much it would be wise to also look into getting the suspension/brakes up to the task as well.

    One thing is this will not be cheap.

    I know you said 300-350whp, but this is a good thread to read --->http://forums.nasioc.com/forums/show....php?t=1393580
    Last edited by 11blackSTi; 03-06-2014 at 04:53 AM.

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    all of the above info is good advice. Edit: me spewing nonsense

    you'll probably need a larger intake, may need a new turbo inlet depending on the condition of yours. if you have access to e85 it'll be easy with a 16g. maybe 18g if your stuck with 91
    Last edited by WREXXY; 03-06-2014 at 07:20 AM.

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    Quote Originally Posted by WREXXY View Post
    all of the above info is good advice. the 02 have the "weaker gearsets" they made the gears thicker in 04 or 05.

    you'll probably need a larger intake, may need a new turbo inlet depending on the condition of yours. if you have access to e85 it'll be easy with a 16g. maybe 18g if your stuck with 91
    False.

    The gearset was widened to RA-width gears at some point during 2002. Some late-model 2002 WRXs received the updated gears while some early-model 2003 WRXs received the preliminary gearset. After late 2002, all WRXs received the updated gears. These gears were carried through 2007.

    My 2003 has a build date of 11/02 and has the wider gears.
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    opps my bad, misinformation thanks for the clarification

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    For future reference:

    http://www.northursalia.com/techdocs...rannychart.pdf

    The chart is only updated through 2005.
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    This project will take some time but I figured about 2000-2500 all said and done

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    Quote Originally Posted by donniehenry View Post
    This project will take some time but I figured about 2000-2500 all said and done
    Yeah no. Your estimate is very low.
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    From what they say that the tmic is fine so I took out the fmic idea. The fuel pump I can do but the injectors I will probably have someone else do it. Pluse a tune and a turbo I know the turbo will probably cost the most out of all of it. So what do you think I will be spending?

    Also already have all the support mods up to this point.

    Hit me with some prices

    .400-500 on injectors
    .150-300 on fule pump
    .tune 400
    .turbo?

    I can always get used on turbo and rebuild it later on. But just that with no laber on the injectors is 950-1200.
    And I will probably have it all done at once when I get it all.

  12. #11
    Registered User Ruh Roh's Avatar
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    400 for a tune seems quite low. around here a solid protune on a dyno runs 600-800$. you could pickup a used turbo for around $400.. fuel pump new is like $100 for a walboro 255..i bought used but BNIB injectors 750cc DW for $250. i bought used turboback for 325$ and have seen them go cheaper. intake cobb was $50. GM ebcs was $40 new. manual bcs was $80ish used. bigger tmic like an sti tmic i see go for like $150. just depends if you want all new parts, if u want to wait for a good deal, and of course what item and brand you want.
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  13. #12
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    You're missing the turboback exhaust!

    Also, you'll need to upgrade your brakes and handling to keep the power on the ground.

    Turbos are around $1000
    Good TMIC is around $1000
    Tune is around $400-600
    TBE is around $800-1500
    TGV deletes are a good idea at $250
    Injectors are around $450
    Fuel pump is $100
    Intake will be around $200
    UPpipe will be around $200
    Gaskets will be close to $100

    All-in-all you're looking to spend AT MINIMUM $4000 to do this correctly, and that's just in the motor department. Bushings should be a priority -- Trans mount, crossmember bushings, steering rack bushings, rear diff bushings, etc.

    See where I'm going with this?
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    Quote Originally Posted by Ruh Roh View Post
    400 for a tune seems quite low. around here a solid protune on a dyno runs 600-800$. you could pickup a used turbo for around $400.. fuel pump new is like $100 for a walboro 255..i bought used but BNIB injectors 750cc DW for $250. i bought used turboback for 325$ and have seen them go cheaper. intake cobb was $50. GM ebcs was $40 new. manual bcs was $80ish used. bigger tmic like an sti tmic i see go for like $150. just depends if you want all new parts, if u want to wait for a good deal, and of course what item and brand you want.
    The only turbo you'll find for $400 is an unknown mileage VF39 or TD04-13T.

    Used MHI turbos go for $600+. Garrett turbos at an even higher premium.
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    what is the best bang for your buck on a turbo?

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    new on here with a bug eye

    What is done with the car.

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