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    Thread: Turbo

    1. #11
      What's wrong with my car?
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      Okay so this is what ive come up with: turbonetics custom T3 turbo with T3 compressor, megan racing BOV, obx wastegate, HKS 550cc fuel injectors, T3 turbo manifold adaptor, also i through in a spec d tunning FMIC.

      Now i know i need engine management and piping but im still looking for that.

      Feedback Appriciated



    2. #12
      What's wrong with my car?
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      T3 is a volute and flange type. Saying that you have a t3 turbo essentially says what manifolds you can bolt it up to without saying anything about the turbo itself.

      You are probably paying too much for at least the fuel injectors and fmic. Search out some stock fuel injectors that will do what you need based on the flow rate required. I don't know what type of injector harness the Aveo uses but turbocharged Eclipses have 450cc injectors which can be picked up for around $50, and Evo 8/9s have 560cc injectors. You will also probably need to go with a rising rate FPR depending on how you are tuning the system.

      A FMIC shouldn't be too hard, or you can find a SMIC off of a stock car to put in the passenger wheel well. A SMIC off of a MKIV Supra will handle about 400hp from a well balanced turbo, or again one out of an Eclipse will be good for around 250-300hp. An Evo FMIC can be picked up for $100 if you can fit it on the front of the car and will also handle about 400hp reasonably well.

      A Megan Racing bov will fail at some point and is overpriced. Forge, genuine Greddy, Tial, genuine HKS SSQV, or 1st generation (90-94) turbo Eclipse/Talon/Laser BOVs will work great.

      If you can find a turbo with an internal wastegate then you can save money on the external wastegate and have at least an equally reliable setup with a smaller profile.

      A t25 or t28 might be a good choice for this size motor and the low boost/quick spool that you'd like

    3. #13
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      tapeworm makes some good points.

      but i dont like rating parts by hp.. i think its bs.

      i would say go with a stock vw ko3 turbo. readily available, cheap, easy to find replacements, and oem quality. its also "decently" sized for the 1.6.

      you can then buy all the stock vw turbo parts, and use it as a system, like george was eluding to with talon stuff.

      the fuel injectors he is 100% right, there are basically "kinds" of injectors and interchanging the same type is easy. just find oem that is the right flow and get them cheap.

      if your going to stick an adapter on you manifold you will need an electric oil pump.


    4. #14
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      Okay wrll thanks and I did do some reading I knew what t3 stood for I just put that in there. Anyways ill keep looking I found a really cheap fmic from spec d ($8 and im sure I can find the other parts to but thanks for all the other info

      Now about the oil pump ill do some looking on that now

    5. #15
      What's wrong with my car?
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      Quote Originally Posted by petrified.rabbit View Post
      but i dont like rating parts by hp.. i think its bs.
      I agree, but there isn't any other reference that I could make that would be easily identifiable. Unfortunately rating an intercooler is very hard because you need to account for airflow, heat, and pressure drop. Beyond that you need to account for the intercooler efficiency itself in terms of removing heat. Essentially though most OEM intercoolers will do everything you need for a turbo Aveo so I would focus on good fitment rather than the name on it, or what it is rated for.

      I will tend to relate things to Mitsubishi turbo cars because they are what I know, but most OEM turbo cars will have the parts you need so long as the displacement is similar. You need to make sure that the orientation is correct which probably means intake side toward the passenger though you would need to mock up the placement to be sure. Then you need to determine which flange you need. T3 or MHI are probably going to be the most easily sourced but something with a twin scroll divided setup would be ideal for faster spool without sacrificing flow though for a truly divided setup this means dual wastegates.

      Really my main point is that while it may be fun and glitzy to go with name brand tuner stuff it will actually be both cheaper and more reliable to go with OEM parts from another car. The exceptions for the most part are engine management and your manifold. Tubular manifolds are notorious for failure but I don't believe you have any chance of finding a cast manifold that will work for you.

      Don't forget while budgeting that you'll need some rather important monitoring equipment as well. Some device for logging data is hugely important and might be dependent upon your EMS. Quite frankly generic OBDII logging would work but is really much too slow for my preferences. You will also need a wideband o2 sensor.

      Finally you might consider an alternative fuel source. I highly suspect that this engine will fail with any sort of knock (early detonation) that can come from high cylinder temperature and pressure so moving to a better fuel might be worthwhile. I used to run e85 in my Eclipse which required approximately 30% more fuel than gasoline meaning larger injectors, fuel pump, and probably fuel lines but I was able to significantly increase timing (mo' powa) and the fuel was nearly knockproof while significantly reducing cylinder temperatures.

    6. #16
      Timing belt broke, do I keep it? serega12's Avatar
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      How about extra maintenance that comes with a turbo engine? :-O
      2006 Chevrolet Aveo a.k.a. Holden Barina – SOLD
      ​2008 Chevrolet Cobalt SS/TC - SOLD

    7. #17
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      if you build it right, the only thing you should need to do "more" might be oil changes. since the oem oil system is "inadequate" for a turbo design.


    8. #18
      What's wrong with my car?
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      IMO there will be breakage, and it will suck. That is the price of modifying cars for a hobby though.

    9. #19
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      If you tune it properly, and build to what you have. You should have no problem. The issue is, even expensive, professional custom tuners tend to not have 100% reliability in their chips either, not because of them not know what they are doing, but because the amount of time involved in a perfect tune, on a dyno, etc is too expensive for most "common" people putting a turbo on. Hell most of the import scenesters around my area never appropriately tune for their turbo, that = issues.


    10. #20
      Should I keep it?
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      Im very interested about this as well. But then, can the engine support such boost?
      Will it not damage the internal parts if you dont upgrade pistons, rods and stuff?





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