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  1. #51
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    can u post dyno graph with rpm

  2. #52
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    Click here to enlarge Originally Posted by 135idct Click here to enlarge
    can u post dyno graph with rpm
    sure, updated first post
    Click here to enlarge

  3. #53
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    Click here to enlarge Originally Posted by dzenno@PTF Click here to enlarge
    sure, updated first post
    thanx Click here to enlarge

  4. #54
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    Awesome, I've been waiting to see these results. Throw some fuel and more boost to it and see where it goes lol
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    I have to give credit to Terry for figuring out how to plumb the OEM solenoid (I was a bit skeptical at first LOL). I'm glad to see someone else trying to flash tune a single turbo and can't wait to see how far DZ can take this setup.

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    Dz, are you guys looking into upgraded or aftermarket boost solenoids? With big singles in work, I imagine the criticality to function is more important. They're fairly simple little things, I'm sure some alternates exist.

  7. #57
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    Click here to enlarge Originally Posted by Tzu Click here to enlarge
    Dz, are you guys looking into upgraded or aftermarket boost solenoids? With big singles in work, I imagine the criticality to function is more important. They're fairly simple little things, I'm sure some alternates exist.
    At the moment no since the OEMs are working really well so far. We'll see how things change as boost goes higher. We go up 1psi at a time so oddities should hopefully be easily spotted.
    Click here to enlarge

  8. #58
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    glad to see a piggyback isn't required to run a ST anymore. I find it required for other issues which can't be resolved flash only but I prefer having a choice in the matter, unlike Shiv who won't offer a warranty if you do not use a Procede and PWM meth kit.

  9. #59
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    529 on pump is very solid. Like you said, with an .82 you'd gain another 300-400 rpm in spool. I think a .63 would choke it out up top but I'll see soon as I'm about to run a .63 on my HTA3582r on my 2.4L swap in the EVO. I think though, on the N54 a T4 twin scroll is going to be best. I was recently told that Garrett was no longer providing a T4 twin scroll turbine housing though, so BW may is prob the best best in a TS application.
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  10. #60
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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    529 on pump is very solid. Like you said, with an .82 you'd gain another 300-400 rpm in spool. I think a .63 would choke it out up top but I'll see soon as I'm about to run a .63 on my HTA3582r on my 2.4L swap in the EVO. I think though, on the N54 a T4 twin scroll is going to be best. I was recently told that Garrett was no longer providing a T4 twin scroll turbine housing though, so BW may is prob the best best in a TS application.
    Yeah they went T3 TS on everything. In my eyes its better, smaller footprint, just as efficient. The new Ni-resist housings are even going to come in V-band TS like some of the diesel stuff does now. The V-band TS stuff is really nice, makes manifold design a little trickier but they are nice.

  11. #61
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    who's providing the v-band TS housings? BW or Garrett?
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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    who's providing the v-band TS housings? BW or Garrett?
    Garrett. ATP home page shows the TS V-bands at the bottom of the Ni-resist announcement.

    http://www.atpturbo.com/

  13. #63
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    ah nice. well nice they're still proving TS housings. sucks they're only providing them in T3 or vband though. Not many T3 TS manifolds in the EVO world. all the good full race manis are T4.
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  14. #64
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    Tony, is your N55 kit going to be TS?
    2011 335is DCT, moving to Italy, looking for new car friends Click here to enlarge

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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    Tony, is your N55 kit going to be TS?
    Yessir

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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    529 on pump is very solid. Like you said, with an .82 you'd gain another 300-400 rpm in spool. I think a .63 would choke it out up top but I'll see soon as I'm about to run a .63 on my HTA3582r on my 2.4L swap in the EVO. I think though, on the N54 a T4 twin scroll is going to be best. I was recently told that Garrett was no longer providing a T4 twin scroll turbine housing though, so BW may is prob the best best in a TS application.
    Also, I had to look but what you were told didn't sound right to me. I also just spoke with ATP, they have not heard of any plans to stop the T4 divided housings and you can get just about anything you need from the ATP site, as far as T4 Garrett TS houings. One example.

    http://www.atpturbo.com/mm5/merchant...egory_Code=GTH

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Also, I had to look but what you were told didn't sound right to me. I also just spoke with ATP, they have not heard of any plans to stop the T4 divided housings and you can get just about anything you need from the ATP site, as far as T4 Garrett TS houings. One example.

    http://www.atpturbo.com/mm5/merchant...egory_Code=GTH
    Huh.. Thanks for the info Tony! Can't wait to see that n55 kit in action. I hope the motor holds up lol
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  18. #68
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    Click here to enlarge Originally Posted by Tzu Click here to enlarge
    Dz, are you guys looking into upgraded or aftermarket boost solenoids? With big singles in work, I imagine the criticality to function is more important. They're fairly simple little things, I'm sure some alternates exist.
    Most of the aftermarket stuff only works up to 40hz (some maybe a little higher). Apparently the stockers are measures in *khz* so they can cycle much faster.

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    Click here to enlarge Originally Posted by Eleventeen Click here to enlarge
    Most of the aftermarket stuff only works up to 40hz (some maybe a little higher). Apparently the stockers are measures in *khz* so they can cycle much faster.
    Exactly. The factory solenoid you can run anywhere from 200-20khz. I found 2khz works well so the JB3 & JB4 were setup around that speed. I think the DME runs 400hz but it's been a long time since I looked at that. The aftermarket solenoids want only 10-40hz. The factory solenoids are actually very nice high quality pieces. I suspect they will work just fine even at very high boost levels as long as the wastegate spring is properly selected for the intended boost range. A filter cap should be added to the vent to avoid it getting clogged and the lines zip tied they don't blow off the solenoid.
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  20. #70
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Exactly. The factory solenoid you can run anywhere from 200-20khz. I found 2khz works well so the JB3 & JB4 were setup around that speed. I think the DME runs 400hz but it's been a long time since I looked at that. The aftermarket solenoids want only 10-40hz. The factory solenoids are actually very nice high quality pieces. I suspect they will work just fine even at very high boost levels as long as the wastegate spring is properly selected for the intended boost range. A filter cap should be added to the vent to avoid it getting clogged and the lines zip tied they don't blow off the solenoid.
    Ah, didn't know that. My concern is that they redily degrade in their stock location, probably heat induced. I just assumed that any minor degredation would have a larger performance impact with big power, and is probably more noticable to the driver.

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    Good thread...

  22. #72
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    Thanks for an entertaining read while I was in my "other" office.

    A flash only controlled external wastegate is a huge step forward. Congrats!
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    ^^. It is. Def a huge step toward a world of freedom for n54 owners. First real open source tuning software now external WGs controlled by flash only software. $#@! is about to get crazy Click here to enlarge
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  24. #74
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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Yeah they went T3 TS on everything. In my eyes its better, smaller footprint, just as efficient. The new Ni-resist housings are even going to come in V-band TS like some of the diesel stuff does now. The V-band TS stuff is really nice, makes manifold design a little trickier but they are nice.
    i thought you wanted single scroll T3 and TS T4?.. as T3 with the TS divider gets too small?

    .. what would be optimal for the N54, from your professional experience?.. T4 is usually only for GT40> correct?

    housing selection alone is such a complex thing

    i don't know anywhere near enough about turbos, and the arguments available on all the tuning forums without hard data just make it a PITA to learn easily.

    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Also, I had to look but what you were told didn't sound right to me. I also just spoke with ATP, they have not heard of any plans to stop the T4 divided housings and you can get just about anything you need from the ATP site, as far as T4 Garrett TS houings. One example.

    http://www.atpturbo.com/mm5/merchant...egory_Code=GTH
    mm that would look wonderful all polished up
    boop

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    I didn't even know there is a thread on here. The car is running flawlessly. Not a limp yet. I would like a little more low end torque but when she gets in the power band HOLD ON!!!!! Fuel upgrades next week and back on the dyno!!!

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