Featured BMW insider: "385 hp Supra model is coming"

Discussion in 'General Supra Topics' started by Illsic_Design, May 13, 2019.

  1. Toyotawild

    Toyotawild Well-Known Member

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    Yes you are correct the B58D in the z4 uses the regular style manifold. I dont think I care for the pieces of flex it integrates into the manifold for the end cylinders I could see the flex pieces being an issue over time.
     
  2. Toyotawild

    Toyotawild Well-Known Member

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    B58D z4Screenshot_20190627-084646_Samsung Internet.jpg
     
  3. Toyotawild

    Toyotawild Well-Known Member

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    B58C supraScreenshot_20190627-084513_Samsung Internet.jpg
     
  4. Toyotawild

    Toyotawild Well-Known Member

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    The new civic type r uses a 4 into 1 headifold. Makes power with a tune pretty easily from what I've read. On bimmerpost I heard the newer M cars will be doing a headifold also. I think Toyota wanted the best possible scenario to reduce emissions. Since that's why the mkiv was forced out of U.S. production in 98
     
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  5. kona61

    kona61 Well-Known Member

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    The best example of the headifold is the MK7 Golf with the EA888. That engine is a beast! It is a tiny four cylinder that can handle 700 horsepower on the stock head.
     
  6. Toyotawild

    Toyotawild Well-Known Member

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    Nice. I'll have to check it out
     
  7. A70TTR

    A70TTR Well-Known Member

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    Actually, it was never specified if that engine was the integrated or non integrated engine. They just said, "the current engine has been tested to 700hp without issue." I do however think we all assumed, myself included, that this was the integrated manifold version due to being released worldwide with that powerplant, but it could have been the other motor too.
     
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  8. AsupramkvC

    AsupramkvC Well-Known Member

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    I would prefer to drive a less powerful Supra with manual transmission anytime, any day, rather than the one with a more powerful motor that is automatic.
     
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  9. KahnBB6

    KahnBB6 Well-Known Member

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    Thanks for clearing that up! So then it does seem that the regular manifold variant will be a possibility for a future Supra trim level.

    Thank you for addressing this, A70! If I did not accurately recall any of what you'd mentioned months ago and thus misquoted you by mistake then my apologies. My aim was to address the potential strength of the engine that we've already got coming into the dealers now.

    But as you say... once we all understood that the engine being released would be the "headifold" B58 it did seem at the time that what you'd mentioned applied directly to that "headifold" B58C rather than non-integrated B58 found in the Z4 40i.

    Many possibilities so far and all of them very good ones! A durability tested B58 variant that has no trouble pushing 700hp is pretty nice!


    I'm all for more powerful variants and the GRMN no matter what transmission options are available but I completely feel the same way you do, AsupramkvC. The current 3.0L model has pretty good power as it is and even a stout manual and stout clutch in the "335hp" Supra would be extremely welcome.

    My preference will always be whichever Supra variant has a manual transmission option hands down regardless of stock power rating.

    But I fully expect one or more higher rated trim levels (any of those with a manual would be great!) and for those to be awesome machines that we'll love just as much as the current 2020 first year Supras.
     
  10. Toyotawild

    Toyotawild Well-Known Member

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    What I'm wondering is if the fueling capability will be capable of more power in the b58c with the headifold because of not needing as much fuel to cool combustion chambers like the b58d.
     
  11. Toyotawild

    Toyotawild Well-Known Member

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    The b58c and b58d make the same torque with dyno tests showing 34 more hp to the b58d. Wonder if the b58c will actually make more torque with faster turbo spool. Does the b58D in the z4 also have the three separate cooling systems like the supra's b58c?
     
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  12. Toyotawild

    Toyotawild Well-Known Member

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    I did some vin number searches beyond what all the LE supras are. It goes past what the current date is for a production date. All engines still show B58c.
    Alcantara seats do show on vins
     
  13. justbake

    justbake Well-Known Member

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    As posted earlier:
    "I was able to find 12 B58D cars with VINs WZ1DB0C09LW020384 thru WZ1DB0C09LW020395 here

    There's nothing special about them other than that from what I am seeing except a couple of them have Style 761 wheels (5 series M Performance 18s)"
     
  14. Toyotawild

    Toyotawild Well-Known Member

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    Interesting. Good find. So they did 12 b58d test mules in march.
    Then continued with b58c production cars.
     
  15. Toyotawild

    Toyotawild Well-Known Member

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    I kind of wish they would just stick with the b58c and let everybody modify the one head. Having a change is going to require the aftermarket to build multiple exhaust platforms for turbos and maybe ecu tunes
     

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