JMB RetrofitsEM Tuning
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  1. #1
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    i have a 1998 a3 agu engine what n75 shall i get and n249 as only getting 0.4 boost

    hi been looking few some posts and most people say replace the n75 with a n75j???? i wanted to fit a manual boost controller but without a remap is pointless i was told. the next thing was to replace the n75 and n249 valves as cars running sloww

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  3. #2
    6th Gear

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    find out the cause of why its going slow before replacing things TBH

  4. #3
    ALPINE's Avatar
    Yes its diesel, now cry u lost

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    just get a standard n75 mate. you will just spike and go into limp mode.

    Now to many mods to list! Lots of power, torque and Leather!

  5. #4
    Chlippo's Avatar
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    Quote Originally Posted by mk1kid View Post
    i wanted to fit a manual boost controller but without a remap is pointless i was told.
    I think, that if you get a mbc (manual boost controller) and adjust it to get a bit more boost, it will work just fine as the ecu will throw more fuel to cover the new amount of air that goes to the engine. Although im not sure, i might be trying this on my S3 AMK engine but i will fit a boost and air to fuel ratio gauge, then ill try to get some more boost from an MBC.
    probably one of the experts here may be able to tell us if im thinking right or not.

  6. #5
    DaveA3's Avatar
    Audi A-Trizzle!

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    small boost leak perhaps?

    Audi A3 1.8T Sport (AGU) - 2000
    Engine: Carbonio CAI/Jetex JR Hybrid Induction, Forge 007p DV, Forge TIP, Longlife S/S Custom Exhaust system, R-Tech Stage 1 Remap, Creation Motorsport Boost Pipe Kit.
    Exterior and Chassis: 18" Cades Tyrus, Euro Wipers, low on JOM Coilovers, Eibach Front & Rear ARB's, Black Angel Eye Headlights, 6000K HID's, S3 Brakes.
    For Sale PM ME - £2500 Mods Inc

  7. #6
    <tuffty/>'s Avatar
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    0.4bar boost is more or less actuator pressure... as indicated above and in a previous thread (your 007p one) I think you have bigger problems...

    Have you connected VAGCOM yet to check any fault codes? Checked for boost leaks?

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

  8. #7
    Welly's Avatar
    VX220 SC Driver :)

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    Quote Originally Posted by mk1kid View Post
    the next thing was to replace the n75 and n249 valves as cars running sloww
    No N249 valve on the AGU matey.
    ------------------------------------------------------------------------------------------
    "Marriage is like a coffin and each kid is another nail."
    Homer Simpson





 

 

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