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Can you put any other capacity engine into a A4 V6 tdi?

Discussion in 'A4/S4 forum(B5 Chassis)' started by PhysicsFool, Sep 6, 2012.

  1. PhysicsFool
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    PhysicsFool New Member

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    [Sep 6, 2012]
    Hello all,

    I am new to Audis but looking to replace a 2.5 V6 diesel Tdi with either the same or a different capacity engine. such as an AFN or AEB. or any other audi engine. is this even possible?

    Thanks
    Last edited: Sep 6, 2012
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  3. adamss24
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    adamss24 Well-Known Member

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    [Sep 7, 2012]
    What are you trying to achieve ? The AFN will bolt on to your manual gearbox but you will have to modify the downpipe and replace the engine wiring loom + ECU and re-calibrate the dash to work with the 4 cyl. engine. You better off buying a complete donor as many things are different between the 2 cars...
    For the petrol engine you will have to replace much more just to get it going...including the fuel tank and all pipes !
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  4. s200rey
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    s200rey New Member

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    [Sep 7, 2012]
    Not with out a great deal of work...
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  5. PhysicsFool
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    PhysicsFool New Member

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    [Sep 7, 2012]
    It was a bit of a stab in the dark as a smaller engine would help with my insurance. But it looks like i will stick with the 2.5. Just a case of finding one now. Thanks for the heads up
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  6. s200rey
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    s200rey New Member

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    [Sep 7, 2012]
    Yeah i'd stick with a 2.5, insurance wouldn't change at all for putting a 1.9 in, it coud even put it up - modification?

    There's a range of 2.5s but I dont know if you would have to change all sorts to have the 180bhp one rather than the 150bhp one, or vice versa...
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  7. hades-
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    hades- Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Sep 7, 2012]
    any engine can be fitted to anything with cash and time
    but id just replace with the same engine code
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  8. adamss24
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    adamss24 Well-Known Member

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    [Sep 8, 2012]
    The base 2.5 tdi engine is identical between the 150 and 180 Bhp. I had b5 a4 fitted with AKE or BAU (late cam roller engine) engines but i had to keep the AFB injector pump and ECU.
    #7

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