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  1. #76
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    3 out of 3 members liked this post. Reputation: Yes | No
    Here's an overlay of the recent dyno's. Both on different DJs with smoothing of 0. Both look pretty even up top but not in the mid range. I like the VTT S3 curve which looks like a supercharged M3. I'm sure PTF will be working on it some more.

    Click here to enlarge

  2. #77
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    Click here to enlarge Originally Posted by Q4P Click here to enlarge
    like i said, at this point its built motor territory... anymore and we will see pistons flying everywhere
    Bring it! I want to see where we stand.
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    Click here to enlarge Originally Posted by blisstik Click here to enlarge
    Here's an overlay of the recent dyno's. Both on different DJs with smoothing of 0. Both look pretty even up top but not in the mid range. I like the VTT S3 curve which looks like a supercharged M3. I'm sure PTF will be working on it some more.

    Click here to enlarge

    The VTT graph is coming up so smoothly it can't be spooling that slowly; seems more like a software boost targeting issue? What is the req/actual boost by rpm? Any chance of plotting that for us?

  4. #79
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    Click here to enlarge Originally Posted by blisstik Click here to enlarge
    Here's an overlay of the recent dyno's. Both on different DJs with smoothing of 0. Both look pretty even up top but not in the mid range. I like the VTT S3 curve which looks like a supercharged M3. I'm sure PTF will be working on it some more.

    Click here to enlarge
    For whatever reason, he was able to bring spool way up down low and hold it, I would not put anything past Shiv on how he did this which is why it is striking me as a little funny, his 58mm smaller turbo curve looks similar to ours and he straps on a much bigger turbos and picks up a bunch of spool? Doesn't make much sense, but you cant argue with graphs. The curve is superior to ours in my own opinion. I do think his claim of flat boost is bs, its obvious spiking there down low to get the power up and then ramping in flat. Nothing wrong with that, its a good way to do it.

  5. #80
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    Analyzing Shiv's 700whp run.

    @shiv@vishnu Did you add a few extra psi at the tail end of that run just to get a peak that went over 700whp? The torque curve magically rises right at the end.

  6. #81
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    Click here to enlarge Originally Posted by Sered Click here to enlarge
    Analyzing Shiv's 700whp run.

    @shiv@vishnu Did you add a few extra psi at the tail end of that run just to get a peak that went over 700whp? The torque curve magically rises right at the end.

    He can't tell you, it's the "magician's code"
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  7. #82
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    Would be nice to have a boost and AFR trace next to the power traces if we're to do any sort of legitimate comparison. If Shiv really thinks spool can't be dramatically improved on the duals w/ better tuning and some other tweaks he's fooling himself. But we all know he doesn't really believe that.

    Maybe someone should ask him why his 25 customers who purchased single turbo kits did not get this new "magic" turbo that he claims will out spool twins at the same mass flow? I presume this is a free upgrade for them since this essentially makes their older turbos now obsolete?
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  8. #83
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Would be nice to have a boost and AFR trace next to the power traces if we're to do any sort of legitimate comparison. If Shiv really thinks spool can't be dramatically improved on the duals w/ better tuning and some other tweaks he's fooling himself. But we all know he doesn't really believe that.

    Maybe someone should ask him why his 25 customers who purchased single turbo kits did not get this new "magic" turbo that he claims will out spool twins at the same mass flow? I presume this is a free upgrade for them since this essentially makes their older turbos now obsolete?
    lool, yeah right Click here to enlarge
    SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555

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  9. #84
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    If Shiv really thinks spool can't be dramatically improved on the duals w/ better tuning and some other tweaks he's fooling himself.
    You are saying that JB4 would help in the tuning quite a bit, right?

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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    You are saying that JB4 would help in the tuning quite a bit, right?
    I think he's saying once tuning is done. They weren't working on spoolup, they were testing the HPFP limits and cranking up the peak power.

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    Ah, I see. What should be done to it?

  12. #87
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    Wow the 'new hpfp is as good as a modified one' is the funniest $#@!

    what a wanker.

  13. #88
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    There are a few tricks, leaning the car out, creating higher EGTs when the turbo is starting to spool will help it to spool faster. That's just one trick of the trade.

    Click here to enlarge Originally Posted by 654 Click here to enlarge
    Ah, I see. What should be done to it?
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    Click here to enlarge Originally Posted by Q4P Click here to enlarge
    Do you guys know what the difference between a 500 WHP and 700 WHP vishnu single car is?

    None, they both run 11's... lol
    LMAO. Or 'about $2500 worth of Vishnu-magic-upgrade-kit' which gets you a bigger turbo, some 109 octane race gas (or more), and some extra timing and psi.

    Click here to enlarge Originally Posted by M3_WC Click here to enlarge
    So is there a reason he has to use a customer's car to break 700 and not his own car? Is his car getting some work done to it?
    And not tell the customer? I hope that was a joke because I'd be angry if someone decided to go for a glory run in my personal car. I'm sure Shiv would have covered damages though. It's not like he ever blames anything on your car's non-Vishnu hardware. Just ask themyst.
    Click here to enlarge

  15. #90
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    Ah, I see. What should be done to it?
    Same thing as last time when you asked the same loaded question and it got answered:

    Boost tweaks and VANOS changes.

    Maybe you should direct your question to @dzenn or @Terry@BMS instead of assuming 'Terry is claiming the JB4 is better' out of thin air Click here to enlarge

  16. #91
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    You are saying that JB4 would help in the tuning quite a bit, right?
    I have no tuning data as is so I can't say that with abosulte certainty but I'm pretty confident several areas can be improved with a JB4 in the mix. The least of which would be having a functional NLS. Click here to enlarge
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  17. #92
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    NLS + Line Lock + DRs + 700whp = 10s?

    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    I have no tuning data as is so I can't say that with abosulte certainty but I'm pretty confident several areas can be improved with a JB4 in the mix. The least of which would be having a functional NLS. Click here to enlarge

  18. #93
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    Click here to enlarge Originally Posted by blisstik Click here to enlarge
    NLS + Line Lock + DRs + 700whp = 10s?
    If it had the suspension and slicks, that should be 9s man. 700whp on a 3400lb car should net ~140mph traps depending on the gearing. In that case, its going to need axle-shafts too and a strong clutch.

    Remember, Shiv claimed over 700whp on his personal car but only trapped like 131? max in a stripped-out E92. Definitely not the norm

  19. #94
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    Lord Voldemort... He is so damn lucky that the N54 is such a strong engine. If this thing had weaker internals, the blocks will be popping left and right and the sheep will have no other choice but to banish him like they did in the Subaru world, LOL.
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  20. #95
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    I think he likes the sheep




    If you know what I mean Click here to enlarge

    Also nice numbers @CaptainInsano that curve looks like it kicks in hard, probably fun as hell to drive.

  21. #96
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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    For whatever reason, he was able to bring spool way up down low and hold it, I would not put anything past Shiv on how he did this which is why it is striking me as a little funny, his 58mm smaller turbo curve looks similar to ours and he straps on a much bigger turbos and picks up a bunch of spool? Doesn't make much sense, but you cant argue with graphs. The curve is superior to ours in my own opinion. I do think his claim of flat boost is bs, its obvious spiking there down low to get the power up and then ramping in flat. Nothing wrong with that, its a good way to do it.
    It is a superior curve and that's a big chunk in the midrange glad to see you admit it. I just don't understand what is going on there exactly.

  22. #97
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    Click here to enlarge Originally Posted by vasillalov Click here to enlarge
    Lord Voldemort... He is so damn lucky that the N54 is such a strong engine. If this thing had weaker internals, the blocks will be popping left and right and the sheep will have no other choice but to banish him like they did in the Subaru world, LOL.
    I don't know about lucky, but between Vargas shiv and I, someone's gonna find the limit lol
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  23. #98
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    It is a superior curve and that's a big chunk in the midrange glad to see you admit it. I just don't understand what is going on there exactly.
    Our Aem analog boost logging set up is very very high resolution, I am tracking boost right now. Something isn't right, like not right at all. We had much better spool when we first started driving the car, MUCH better. I am thinking there is a boost leak I cannot find or something similar. I will be pulling the car apart before it goes back on the dyno, to see if I can find anything. If not, then we can start playing with the spool tables etc, and doc race is already on board to go 1.25 Weld Els instead of the 1.50. They said it will bring velocity WAY WAY up and is still good to 1300. We wont need that for a while...

  24. #99
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    Click here to enlarge Originally Posted by Ak335i Click here to enlarge
    I don't know about lucky, but between Vargas shiv and I, someone's gonna find the limit lol
    It has yet to be determined the motor will last at this level (which I doubt) and that these are not glory pulls. Motors have popped at lower power levels.

  25. #100
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    FWIW... shiv just put the single dyno up and made 610 on 91... not bad
    2007 335i (100% stock with mods)

    N54 is not a German 2JZ lol

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