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  1. A91 & Recent 2021 Impossible to Tune / ECU manufactured after 2020/6 is locked?

    nothing is ’uncrackable’. if someone wants to get into the ecu, they’ll find a way. give this ecu to samy kamkar (famous security researcher), and i bet he’ll find a way in.
  2. New Toyota GR Yaris : Forged in the heat of World Rally competition

    Just setting realistic expectations based on what we know so far. Import? Can’t import these to the US and still be street legal.
  3. New Toyota GR Yaris : Forged in the heat of World Rally competition

    Anyone disappointed that the GR Corolla will only be half as good as the GR Yaris just based on weight alone? It’s safe to assume power output will be the same at about 260HP. The GR Yaris is 2,8xx lbs. The Corolla hatchback is 3,0xx lbs. Even if the Gr Corolla doesn’t gain any weight, which I...
  4. New Toyota GR Yaris : Forged in the heat of World Rally competition

    The circuit pack has stickier tires? Do you know which tires both models have?
  5. New Toyota GR Yaris : Forged in the heat of World Rally competition

    Crazy how much a difference front and rear LSDs can make. I think I’ll only buy the Corolla if it also comes with the Circuit Pack.
  6. New Toyota GR Yaris : Forged in the heat of World Rally competition

    Having physical access to the ECU will greatly increase the attack surface. I think it’s just a matter of demand and willingness for someone to break in.
  7. New Toyota GR Yaris : Forged in the heat of World Rally competition

    I was implying it probably won't be as locked due to it being a Japanese branded ECU. The ECUs are usually just made from an OEM supplier. Probably Denso? I don't think Toyota has much to say in terms of security of the ECU. The Supra is just using a BMW ECU as far as I can tell. Most Euro ECUs...
  8. New Toyota GR Yaris : Forged in the heat of World Rally competition

    I saw a few tuned GR Yaris videos, so I assume tuning options are available already.
  9. New Toyota GR Yaris : Forged in the heat of World Rally competition

    Pretty certain it'll run a more traditional Toyota ECU and not BMW.
  10. New Toyota GR Yaris : Forged in the heat of World Rally competition

    What are the tuning options for the GR Yaris? Ecutek?
  11. New Toyota GR Yaris : Forged in the heat of World Rally competition

    Just lowering my expectations so I'm not disappointed when the car actually does come out lol.
  12. New Toyota GR Yaris : Forged in the heat of World Rally competition

    I may be reading a little too much into this but from Toyota's page: I completely expect the US GR Corolla to receive the same engine and some kind of AWD system, and stiffer suspension. I don't expect the dual LSD and maybe it won't have the advanced 3 modes either. I can see this being...
  13. New Toyota GR Yaris : Forged in the heat of World Rally competition

    I completely expect the GR Corolla to be about 200lbs more than the GR Yaris. Even if they brought all the hardware from the GR Yaris, it would still be inferior due to the weight increase. I don't see Toyota using any exotic materials to reduce the weight of the current Corolla.
  14. New Toyota GR Yaris : Forged in the heat of World Rally competition

    I don't see Toyota adding a manual handbrake just for the GR Corolla when all the other Corolla trims have an electronic handbrake. The Civic Type R doesn't get a manual handbrake just like the other Civic trims. I really can't see Toyota US giving the GR Corolla all the GR Yaris hardware, but...
  15. New Toyota GR Yaris : Forged in the heat of World Rally competition

    So GR Yaris is built to meet WRC production requirements. Assuming Toyota isn’t going to be campaigning the Corolla in WRC, I don’t think the GR Corolla will be as hardcore as the Yaris. Probably won’t get the dual LSD and weigh 200-300lbs more. Just my predictions. If that’s the case, I’m...
  16. New Toyota GR Yaris : Forged in the heat of World Rally competition

    @Galerion, I also have an FK8 Type R and agree pushing it over 140mph, the car is still very stable. On my previous 2015 WRX, the car would get unsettled as soon as you hit the brakes. How would you compare the GR 1.6T engine with the FK8 engine? I don't anticipate the GR Yaris engine to be as...
  17. New Toyota GR Yaris : Forged in the heat of World Rally competition

    i think the clutch has a torque multiplier, so they can call it 4wd instead of AWD.


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