EM TuningJMB Retrofits
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  1. #1
    s3 addict's Avatar
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    Question Boost Controllers

    Any thoughts on boost controllers? Thinking of bypassing the N75. Good idea?
    Audi S3 210bhp (Remapped to 260+), Black, Forge DV, Forge Boost hoses, Forge PCV hoses, K+N Induction Kit with Stainless Steel Heat shield, Powerflex front wishbone and anti-roll bar bushes, EBC grooved front and rear discs and Red stuff Pads, N249 Deleted
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  3. #2
    s3dave's Avatar
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    To stop a spike? if not why?

  4. #3
    S3 Paul's Avatar
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    Im pretty sure massively bad idea without alot of mapping work. otherwise the ecu requested boost will never stay with in the limits of the map
    Noggy Blue 2001 S3

    I ask questions because i change my mind so much. If i ask questions you have already covered... just leave it be?

  5. #4
    superkarl's Avatar
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    no point really.
    a MBC to cap a spike maybe, but otherwise no real point

  6. #5
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    VAG ecu has torque control to control the turbo spool on part throttle... this makes the car feel drivable and smooth... fitting an EBC or MBC will get rid of this and will not only make the car fairly awkward to drive (unless on WOT all the time) if the mapping isn't setup for using an EBC/MBC then it will probably end up in limp mode most of the time..

    One other myth that should be expelled while we are on about it... don't think you can add an EBC/MBC to get more boost either... its the same issue as above... the ECU will probably have a spazz or worse if the fuelling hasn't been set right the engine could melt..

    EBC/MBC have a place but generally not until you are running bigger turbos/power or using an MBC to counter big boost spikes from crap maps or tired actuators..

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  7. #6
    RIP S3dave

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    on std unmapped car - agreed
    on mapped car, depends on where/if they moved the deviation limits.. if ebc wont cause a deviation code.

    ebc on lupo (eboost street) - works well, superb boost control, 2 x settings..
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  8. #7
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    Thanks for the advice, think I'll leave it then. Didn't realise it could upset the drive so much.
    Audi S3 210bhp (Remapped to 260+), Black, Forge DV, Forge Boost hoses, Forge PCV hoses, K+N Induction Kit with Stainless Steel Heat shield, Powerflex front wishbone and anti-roll bar bushes, EBC grooved front and rear discs and Red stuff Pads, N249 Deleted
    ))))))))))))((((((((((((

 

 

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