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Thread: m52 Turbo Build

  1. #1751
    Join Date
    Apr 2006
    Location
    Minnesota eh?
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    86 325es
    Quote Originally Posted by 328iFun View Post
    Thanks,

    Sounds like a plan!

    - - - Updated - - -

    We we're talking about boost creep earlier, I recorded a video of what was I talking about with my car; Third gear WOT, hits 14(13.5) PSI with boost controller set to 8


    14 sounds better than 8 anyway


    86 325es, 2.8L m50, S472sxe, MS3pro Ultimate, e85, solid rear axle, 4 link, spool, TH400 trans, Protorque converter, 28x10.5w slicks, zip ties
    Best = 9.43 @ 149.15 mph, 1.30 60 foot 28 psi boost

  2. #1752
    Join Date
    Feb 2011
    Location
    Virginia
    Posts
    2,763
    My Cars
    97' m52 turbo
    Quote Originally Posted by someguy2800 View Post
    14 sounds better than 8 anyway
    Yes, I agree.

    But kind of defeats the purpose of the Boost Controller, waste of money. Should have connected WG directly to Turbo. Might as well just set the thing to 14, ha

  3. #1753
    Join Date
    Sep 2017
    Location
    Netherlands
    Posts
    20
    My Cars
    e36 328i turbo
    Quote Originally Posted by 328iFun View Post
    Yes, I agree.

    But kind of defeats the purpose of the Boost Controller, waste of money. Should have connected WG directly to Turbo. Might as well just set the thing to 14, ha
    Is it creep at high RPM? Or a Spike during spool?

  4. #1754
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    Quote Originally Posted by et89 View Post
    Is it creep at high RPM? Or a Spike during spool?
    Kind of hard to tell when the EBC shows OBS when over 8psi

    I also have a MAP sensor with a display in the cluster. Shows steady 13+ psi

  5. #1755
    Join Date
    Apr 2006
    Location
    Minnesota eh?
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    86 325es
    Are you sure you have an 8 psi spring?


    86 325es, 2.8L m50, S472sxe, MS3pro Ultimate, e85, solid rear axle, 4 link, spool, TH400 trans, Protorque converter, 28x10.5w slicks, zip ties
    Best = 9.43 @ 149.15 mph, 1.30 60 foot 28 psi boost

  6. #1756
    Join Date
    Feb 2011
    Location
    Virginia
    Posts
    2,763
    My Cars
    97' m52 turbo
    Quote Originally Posted by someguy2800 View Post
    Are you sure you have an 8 psi spring?
    TS Ultragate with 7 spring, original spring that came with it

  7. #1757
    Join Date
    Sep 2017
    Location
    Netherlands
    Posts
    20
    My Cars
    e36 328i turbo
    No need if you are ok with how it works now of course.
    But steady 13+ psi, doesn't sound/look like creep.
    Ever tested your wastegate with an air compressor?
    Or any way to log your engine load?

  8. #1758
    Join Date
    Feb 2011
    Location
    Virginia
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    97' m52 turbo
    I'm good with it really. As long AFR stay in 11s, that is

    Tune is to injector max and boost controller works fine as long as I'm not dogging it, wot

    No have never tested it. Rom raider has engine load

    Sent from my SM-G960U using Tapatalk

  9. #1759
    Join Date
    Sep 2017
    Location
    Netherlands
    Posts
    20
    My Cars
    e36 328i turbo
    Quote Originally Posted by 328iFun View Post
    I'm good with it really. As long AFR stay in 11s, that is

    Tune is to injector max and boost controller works fine as long as I'm not dogging it, wot

    No have never tested it. Rom raider has engine load

    Sent from my SM-G960U using Tapatalk
    For you i mean, logging your load or map can give an indication whether you have spikes, or creep, or just a steady pressure. Because of your vids and what you say, I doubt you actually received a 8psi spring.

    But again, as long as it doing what you want it to do.. no real need for any testing.

  10. #1760
    Join Date
    Feb 2011
    Location
    Virginia
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    2,763
    My Cars
    97' m52 turbo
    Whoever complained about more boost? Lol

    Really though the more manageable the better. I'll take the wg apart and verify the spring that came with it.

    Maybe turning up the duty cycle will help as well?

    Logging is a good idea, ill try to grab a boost log here soon

    Sent from my SM-G960U using Tapatalk

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