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Thread: AN7's Mazda 2 1.5 Turbo --Build Log--

  1. #136
    Mazda Addicted AN7's Avatar
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    Mazda2 1.5T Sport

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    A fresh incar video acceleration



  2. #137
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    13 Mz2 Touring MTX

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    That video makes me equally happy and sad.

  3. #138
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    2011 Mazda2

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    Which TB did you swap in that fit? I did a search years ago and I got an RX-8 one for cheap, but we had to swap two pins on the connector to get it to work correctly. I tend to remember one of the coolant lines was in the way as well so we made a plate adapter for it to be able to rotate it for clearance, so we could mess around with it. I am curious which one you found that swapped in which is nice.
    DDMWorks- Research. Design. Driven

  4. #139
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    Mazda 2 1,3 MZR

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    I think itīs a TB from late 1.6 Mazda3, I have the same round about 1 year with no problems in mazda 2 1.3. Gives a litte better acceleration and a bit less restricted breath at high RPMīs - I Think. The difference is round about 5mm in diameter only in the inner tube not in the outer diameter.
    If you dyno this Iīm intressting in result. For search of this TB - Ebay will help especially with side by side pics.
    Last edited by Julia-Renee; 02-07-2017 at 03:22 PM.

  5. #140
    Mazda Addicted AN7's Avatar
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    Mazda2 1.5T Sport

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    Quote Originally Posted by Zach@DDMWorks View Post
    Which TB did you swap in that fit? I did a search years ago and I got an RX-8 one for cheap, but we had to swap two pins on the connector to get it to work correctly. I tend to remember one of the coolant lines was in the way as well so we made a plate adapter for it to be able to rotate it for clearance, so we could mess around with it. I am curious which one you found that swapped in which is nice.
    It's from an MX-5 1.8/2.0. I also had to swap the power pins and I had to drill the Fng out of the holes on the body to bolt
    This tb is 60mm ID, I believe the RX-8 should be bigger.


    Quote Originally Posted by Julia-Renee View Post
    I think itīs a TB from late 1.6 Mazda3, I have the same round about 1 year with no problems in mazda 2 1.3. Gives a litte better acceleration and a bit less restricted breath at high RPMīs - I Think. The difference is round about 5mm in diameter only in the inner tube not in the outer diameter.
    If you dyno this Iīm intressting in result. For search of this TB - Ebay will help especially with side by side pics.
    I was between the MX5 TB and the TB that you are mentioning but I wasn't sure from the photos if it is bigger than the stock(I had send a couple of messages to some sellers in order to measure them but no luck) so I decided to go for the MX5's.
    If the late 1.6's TB is 5mm bigger then is better to go for this TB as the ID of our intake is 55mm and the stock TB is about 45-48mm.
    Maybe I ll go for a custom intake manifold so the extra mm of the TB are not gonna be wasted




    a new video

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  6. #141
    Mazda Addicted AN7's Avatar
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    Mazda2 1.5T Sport

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    TGVs Delete.







    So far best mod I've done. The car is much smoother at idle than ever before and I cant find any drawbacks. The car leaned a bit at wot which indicates that there is more air coming in but I really don't care about any power gains since the car is so much smoother at idle and low rpms.
    I dont know why I haven't done that years ago.... really dont know.... I always believed that there will be hesitation at idle :S hahahahahah
    Last edited by AN7; 02-19-2017 at 09:04 PM.
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  7. #142
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    13 Mz2 Touring MTX

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    2nd photo isn't loading. Can you post a bit more info on the actual removal process? Also are you getting a CEL due to removing the TGV, or did you just remove the butterflies and left the mechanisms in place to prevent that?

  8. #143
    Mazda Addicted AN7's Avatar
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    Mazda2 1.5T Sport

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    Almost a year, but there is an update

    First of all,
    Happy holidays every one

    Now let's cut to the chase.
    After the Bigger throttle body and the TGVs delete, i Finally hit the dyno again to see if there are any gains.

    Last year when I was on the dyno the car made 302hp at the crank with 1.5bar(roughly 22psi) pressure and I said that at that pressure the expected power was to be:

    Quote Originally Posted by AN7 View Post
    Last week got to the dyno, and I am a bit disappointed with the numbers. Something clearly holding back the turbo. at 0.8bar makes the same power with the TD04(at same boost) and at 1.2 makes the power that the TD04 did at 1.3bar. At 1.5bar the car made just over 300hp with 360nm of torque. At 1.5bar the power should be around 320-340 with this turbo. Maybe its the small throttle body. I am gonna find it for sure..
    I also mentioned the possible causes....

    So lets see after bigger throttle body and the TGVs deletation....

    1.3 bar: 309hp + 35kgm
    1.55 bar 334hp + 37.5kgm (I was spot On )
    1.65 bar 345hp + 39kgm
    1.75 bar 353hp + 40.5kgm

    Max HP for this turbo is around 360HP
    Maybe if I push it to 1.85bar it ll go over 360 but I didnt care about that


    And lets see the graph of the last run,
    This Graph is at ~1.75bar (~25.3psi) pressure

    The result:
    321.1 whp(352.9hp at the crank) 293.54 lbft(40.5kgm)

    Attached Images Attached Images
    Last edited by AN7; 12-27-2017 at 07:06 PM.
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  9. #144
    danny

    2012 Mazda 2 Touring

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    Holy shit dude, 352hp at crank?! My god that would be a handful to drive on a 2. If you don't mind me asking, what has been the up to date cost of your build? I've been toying with the idea of a small supercharger (amr500) install to give me an extra but not crazy of a kick due to being afraid of blowing my gearbox or engine to bits due to having an auto gearbox. But woah my mind is blown just thinking about your build!
    Last edited by killbox; 01-25-2018 at 03:50 AM.
    2012 Mazda 2, Metropolitan Grey Mica

    K&N filter // Stiff Rings subframe collars // JDM-yo! Demio Xenon Headlamps // ECU Reflash // Gramlights DR // RX-8 leather seats // AutoExe Front Strut Tower Bar

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