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  1. #1
    Reverse Gear

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    hello , need help with the mbc and n75 thingy

    right , what boost do the b5 aeb 1,8 150 run? i m getting a peak of 0.7 and wen i installed a mbc without the n75 got 0.9 but started cutting out about 14psi ..apart from a remap can u get the boost to a bar without bogging down? cheers erm anyone with a diagram of a mbc installation? cheers all

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  3. #2
    Reverse Gear

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    oh any prob with removing the cat after the turbo? cheers

  4. #3
    "Stick a V8 in it!"

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    You need a remap to tune the engine. Put the MBC back in the garage and do it properly before you blow it up.

    No problems with removing the cat.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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  5. #4
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    aha thanks for that ..only thing i noticed it runs alo betterwithout the valve for some reason

  6. #5
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    Do not fit a MBC to your engine. Without the fueling to match the increase in boost the motor will run lean and will fail in an expensive style.

    I managed to lunch my engine even though it had been set up properly after a minor fuel issue caused this in my track car.



    That cost me a good couple of grand to sort

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