Fuel pump, injectors, TGV deletes and TD04 19T
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This is a discussion on Fuel pump, injectors, TGV deletes and TD04 19T within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; The deletes will arrive next week. I'm on the fence about a mild turbo upgrade (TD04 w/ 19T wheel). Should ...

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    Moderator   Sasquatch's Avatar
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    Fuel pump, injectors, TGV deletes and TD04 19T

    The deletes will arrive next week.

    I'm on the fence about a mild turbo upgrade (TD04 w/ 19T wheel). Should I?

    7/14: I did.



    Arrived 7/7:






    7/14:




    Last edited by Sasquatch; 07-14-2011 at 01:52 PM.
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    ClubWRX.net Vendor adam@kronosperformance's Avatar
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    Nice!

    What are your plans ultimately power wise?
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    Moderator   Sasquatch's Avatar
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    Quote Originally Posted by KronosPerformance View Post
    Nice!

    What are your plans ultimately power wise?
    I'm pretty much there now - check out my Mods & Pics link in my sig.

    The turbo side TGV sensor has been intermittently throwing CELs since I did a Deadbolt Monster TD04 turbo swap 3 years ago. Access to that sensor is all but impossible without removing the intake manifold. Adding the deletes will take care of that. The stock injectors are at the ragged maximum when the weather gets cold, so in go the injectors and pump. Access to the turbo will be far easier with the manifold off ... to 19T or not to 19T?
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    Registered User c2bcoolwrx's Avatar
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    IMHO it is really not worth it to put any more money into the TD04. It really is just too small. I would look into a used 16G down the road, good ones are usually available. I think a regular 16G or an EVO3 16G would do you wonders.

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    Moderator   Sasquatch's Avatar
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    Quote Originally Posted by c2bcoolwrx View Post
    IMHO it is really not worth it to put any more money into the TD04. It really is just too small. I would look into a used 16G down the road, good ones are usually available. I think a regular 16G or an EVO3 16G would do you wonders.
    I love the fast spool and low rpm torque I have now - don't want to give up much of it. 20 psi @ ~3000 rpm is fun.
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    Quote Originally Posted by Sasquatch View Post
    I love the fast spool and low rpm torque I have now - don't want to give up much of it. 20 psi @ ~3000 rpm is fun.
    That statement is kind of misleading, or just not the whole story.

    Think of it this way 20PSI at 3000rpm from a TD04 vs. 16-18 PSI from a 16G at 3000rpm. Even though the 16G will not be at target boost (running less PSI) at 3000 the 16G still will be pushing more air/CFM and making more power than a TD04. People get way too concerned with lag, with the right sized turbo and mods the extra CFM a larger turbo/16G puts out will easily make more power and negate any extra lag over the TD04. The TD04 is just too small and really limits you.

    I remember when my 2.0L block went and I went hybrid I was debating whether to stay w/the TD04 or go EVO3 16G. In the end I went with a Blouch TD05-18G 8cm. Lag for me is a non issue and hit peak boost of 19PSI by 3200rpm. Yes, a TD04 would hit peak earlier but it would not make near as much power at the same RPM and die off around the 6,000RPM mark. While my 18G keeps pushing hard all the way to my 7500RPM Redline. I realize you are running the EJ205/2.0L, but my experience still applies.
    Last edited by c2bcoolwrx; 07-01-2011 at 12:37 PM.

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    Quote Originally Posted by c2bcoolwrx View Post
    That statement is kind of misleading, or just not the whole story.

    Think of it this way 20PSI at 3000rpm from a TD04 vs. 16-18 PSI from a 16G at 3000rpm. Even though the 16G will not be at target boost (running less PSI) at 3000 the 16G still will be pushing more air/CFM and making more power than a TD04.
    I've heard this statement more than once and I don't understand. Pressure is pressure, it doesn't matter what is pressurizing the intake. It takes x amount of volume of air to make y amount of pressure in a given space so how does it matter what is compressing the air? Given, the larger turbo has the ability to move more air, but if its building the same pressure in the same space at the same engine speed, it's not moving any more air. If I am wrong please explain...
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    Maybe it comes down to the amount of air it moves during a given amount of time...

    All I have to say there has to be some merit to it because my VF43 boosting at 21psi was incredibly slower and less powerful than my buddy's 20g boosting at 21psi...

    But Bill, the way I see it...if you have the fuel upgrades, you already have the prereqs to upgrade the turbo. May as well make use of it so long as you have the means to. The 19T or a 16G both seem like viable options. Ask what your tuner may suggest as well because I don't need to tell you that a good protune will be necessary.
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    it's cooler.

    But you're right - at a FIXED rpm, pressure = pressure. The difference comes in the top end.

    Sasquatch: I think you'd be happy with a 16g, or a vf34 or similar... or even better - go nuts, go equal length manifold, and throw on a vf36!
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    Are you still running SCCA events? Look closely at the existing rules for the class you are in and try to get an idea of what changes people might have in mind. If you go every other weekend so to speak you may not like where a turbo will land you, or it may change your schedule (first class, last class, get up earlier, leave later etc.) so consider that.

    See if you can figure out what new cars are coming out and where they might be classed, it might give you an idea of what's in store for your existing or new-turbo-upgrade class. The newsletters are decent info sources too, especially the correspondence since people ask questions like this all the time.
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    Master Baiter EJ257's Avatar
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    I'm with c2b on this one; throwing any more $ at the TD04 is a waste to me.

    What injectors did you get?
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    Quote Originally Posted by EJ257 View Post
    I'm with c2b on this one; throwing any more $ at the TD04 is a waste to me.

    What injectors did you get?
    My guess is 650cc's based on the 6, 5, and 0 in the part number

    Google also provides pretty good results
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    Registered User jd92677's Avatar
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    Quote Originally Posted by Sasquatch View Post
    I love the fast spool and low rpm torque I have now - don't want to give up much of it. 20 psi @ ~3000 rpm is fun.
    I agree with you, I'd rather have less peak power but more down low than the opposite. I don't race enough to need all my power at 6k RPM.
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    Registered User c2bcoolwrx's Avatar
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    Quote Originally Posted by jd92677 View Post
    I've heard this statement more than once and I don't understand. Pressure is pressure, it doesn't matter what is pressurizing the intake. It takes x amount of volume of air to make y amount of pressure in a given space so how does it matter what is compressing the air? Given, the larger turbo has the ability to move more air, but if its building the same pressure in the same space at the same engine speed, it's not moving any more air. If I am wrong please explain...
    You are wrong. Just b/c a turbo is running at the same PSI does not mean it is pushing the same amount of air/cfm. A smaller turbo at a higher PSI can easily be outflowed by a larger turbo at a lower PSI. Thus, even though a Tdo4 will hit 21PSI at 3k and a 16G will be at ~18PSI at 3k the 16g will outflow the Tdo4 and make more power.

    So even though the larger turbo will take longer to hit XX PSI it will still make more power at a lower PSI at the same RPM. Of course this is for a reasonably larger turbo and would not apply if your were to compare a TD04 to 30r, b/c of course a 30r will have a lot of lag and feel like crap at the lower Rpms b/c it is too big of a turbo for a 2.0/autox.
    Last edited by c2bcoolwrx; 07-01-2011 at 02:37 PM.

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