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Jenga's Project Yaris

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  • Master_Scythe
    replied
    Originally posted by Jenga View Post
    To go any further will require a new turbo, and to be honest, I'm happy with its current configuration.
    If you do reach that level, as much as it's played out, the good old TD04-13T from a subaru WRX is a nice upgrade.

    https://conceptzperformance.com/wiki...pressormap.gif
    That's what you're running right now.
    Compressor: 40mm - 51mm
    Turbine: 38.9mm - 47mm
    304CFM max, and a .63AR
    http://www.wallpaperinstaller.com/scooby/13T.jpg
    Mitsubishi TD04L (6 blade, 13T)
    Compressor: 40.56mm - 55.98mm
    Turbine: 46.88mm - 41.18mm
    390CFM max, and .51AR
    It would be a decent jump in top end without sacrificing much of the noticable bottom end, IMO.

    Or a TF035, with a Hybrid TD04 front side, if you wanted more, without almost any lag.

    It'd just be nice for your engine if you could get that boost level to more like 18PSI or so, flowing the same.
    Poor little guy's screaming it's head off making that much back pressure on turbo side.

    Leave a comment:


  • MHR1294
    replied
    That's fast man! Hahaha, so unsuspecting too.

    Sounds like you've got a good strong 200hp though, not a peak over 100rpm like some people quote.
    All about that area under the curve

    Leave a comment:


  • Jenga
    replied
    Nah, that was actually my slowest time. My best time was 13.7s, really happy with that.

    The final power figure is 200hp - the tuner just couldn't push anything more out of the turbo. I'll admit I was dissapointed with that number, until I drove it. The good part is that the redline was raised from 6200rpm to 7500rpm, so that helps a lot.

    To go any further will require a new turbo, and to be honest, I'm happy with its current configuration. It's been super reliable, good to drive to and from work and is generally enjoyable to drive. For the most part, it's achieved what I set out to build.

    Leave a comment:


  • MHR1294
    replied
    I was excited when I saw this https://youtu.be/GViEvMdAQCo?t=190

    14.22 at 102mph! that's epic man.

    Was that your fastest time and whats your power figure looking like now?

    Leave a comment:


  • MHR1294
    replied
    Brilliant,

    So the intercooler there, is that running it's own coolant circuit I assume? I guess that's fixed now that you've managed to up the boost?

    Leave a comment:


  • Jenga
    replied
    Since upping the boost, I've had a few issues with popping hoses... It would happen about once a week. Yes, I know that pipe isn't rolled, so it's a miracle it's even held at 24psi.



    I've been meaning to tidy up the intake piping for some extra stock looking-ness, so I spent a few hours and installed some new piping.





    Looking good

    Leave a comment:


  • Marty
    replied
    This is excellent!

    Leave a comment:


  • MHR1294
    replied
    You know, there's jokes about Marty and Moog building a Yaris and they say they will do it.

    100% you should duel them with this!

    I tried getting RE003 here in the UK but they're so soft they're banned for road use, so I have RE030 instead

    Leave a comment:


  • Jenga
    replied
    Yep, still around. The only changes since the last post are that the boost was wound up to 24psi, I installed a new set of injectors (850cc Siemens) so I have the option of going to E85 and it has a new set of RE003's. Traction is an issue, haha.

    It's all just worked and continued to work, quite amazing for a project car. I want to have it retuned to run E85, but I haven't gotten around to it yet.
    Last edited by Jenga; 30-04-2019, 05:22 AM.

    Leave a comment:


  • kin37ik
    replied
    you still around and working on this jenga?

    Leave a comment:


  • MHR1294
    replied
    Even at 170hp I bet that thing goes like a rocket, they don't weigh anything!

    Less joins the better! My friend spent a whole day tightening up clamps on his evo...

    That's a good service from Haltech, did they tell you what caused your first one to die though? Wish I could afford to get a Haltech - the usual I'm spending all my money on importing a car instead.

    It's good that you're doing it over a long period of time, like you said, sorting all the minor issues out. there's nothing worse than modifying a car and then having it go bang.

    Leave a comment:


  • Jenga
    replied
    Update time again!

    The next part was to get the intercooler piping sorted... Using a WTA intercooler made piping SO much neater - 4 joints total and some fairly simple routing.






    Next was to get the Haltech sorted - I wanted it to be plug and play. I actually ran this with the stock motor for a while (staged testing - change one thing at a time where possible). I had an issue where the ECU died, Haltech sent me a brand new one. Their service is awesome, I'd have no hesitation buying another one in future.




    Once the fuel system and haltech were tested on the stock motor, the time came to swap in the turbo motor. I took a week off work to swap it all in... I'll let the pictures do the talking:













    Everything went pretty smoothly - exactly what I'd planned. I went for a stealth exhaust tip too..




    The turbo is tucked away pretty neatly.






    After the engine was in, I decided to do some basic road tuning and drive it around for a few weeks, to run the engine in (and make sure I caught all the bugs).

    Fortunately I have a wife who's good at helping with road tuning




    Once the issues were all ironed out, it was off to be tuned... This is what happened:



    So, it made 170hp @ 17psi. Not the number I was hoping for, but a weak wastegate spring and a insufficient intercooler (needed a better radiator) were preventing it from going any furthur. Corey (the tuner) thinks it'll be capable of ~24psi before the turbo runs out of puff. That sort of boost should happily get me to the ~230hp mark.

    Needless to say, have a look at that power curve, the turbo is savage. Put your foot down and hang on.... Peak torque at 4,300rpm and peak power at 5800rpm. Extremely useable power, the turbo size is excellent. Not too laggy and tonnes of top-end. Traction is an issue. I'm planning on taking it back to Corey for a final tune sometime in the next few months.

    I replaced the wastegate spring and it holds 20psi all the way to redline (so let's assume it's making ~200hp at the moment)... I'm seriously considering if it needs any more power. It is seriously fun to drive.

    I've been driving it for about 3 months so far, a few minor issues that I'm sorting out one-by-one.

    More updates to come
    Last edited by Jenga; 20-08-2018, 09:16 AM.

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  • TheCaptain
    replied
    Oh my, great work Jenga, that is amazing. I love reading your posts

    Welds on the exhaust look pretty solid to!

    Leave a comment:


  • Jenga
    replied
    The good thing about using a 'dummy' car was that I could manufacture all the piping and ensure it was going to fit, before putting it in the daily Yaris.

    So yeah, I made a exhaust. I got a bottle of gas the MIG this time around and had some guidance (via text messages, LOL) from a friend of mine who knows far more about welding than I do. I enjoyed making it, but I'm glad I don't make them for a job. It's hard to get right.






    I discovered that the throttle body from a Corolla would bolt straight on. They're cheap(ish) and easy to get. The 1NZ-FE TB was tiny, so let's assume it's a worthwhile upgrade :P




    I wanted stealth for this build, and that meant avoiding obvious 'performance car' things. I opted to go for a water to air intercooler, it fitted perfectly in the spot where the original airbox sat. Quite a elegant solution. I even reused the spare washer bottle as a resovoir, for super stealthiness.








    Of course the fuel system was next. I went for a normal return-type system (the standard Yaris is returnless). So that meant tapping a return bung in the fuel rail, running a return line, installing a FPR and upgrading the fuel pump. I did this part in the black Yaris because as long as the pressure remains the same, the stock ECU shouldn't care. It allowed me to put some hours on the new fuel system.











    Leave a comment:


  • Jenga
    replied
    The flywheel and clutch went on without any issues (no pics sorry - it was a stupidly hot day. When it's 36 degrees in your garage, you forget these things).



    As mentioned before, the new engine was getting installed in the written-off Yaris for test fitting, wiring, exhaust, intercooler and general checks.




    Then this happened. As much as I wanted to go with the megasquirt, I couldn't afford the time. Plus I wanted to use the DBW throttle and all the goodies that the Elite ECUs offered. I purchased the ECU from someone who was running it on their jet ski. I couldn't really justify the brand-new price of one, however that quickly changed. These things are well worth the money you pay for them.



    I ended up removing the plug from the spare Yaris ECU and made a converter loom (this was the first version - excuse the messy wires). I got the engine up any running and it didn't blow up!





    Of course because the written-off Yaris was a automatic car, I needed to bypass the good old Park/Neutral switch.



    Leave a comment:

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