is apx engine code compatible with aeb??

Discussion in 'Leon Mk1' started by peterdav, Apr 17, 2012.

  1. peterdav

    peterdav Full Member

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    can ant one help me with this 1?:(
     
  2. Muttley

    Muttley Catch that diesel!

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    AEB: - 1780 150BHp Audi A4/A6, 01 gearbox,

    APX: - 1781 225BHP Audi TT, 02 gearbox.

    I don't think so.
     
  3. Dan1720v

    Dan1720v Senior Member

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    Depends. What do you want to do?
     
  4. grahams81

    grahams81 Senior Member

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    AEB uses a 058 block which is totally different, easily identifiable as it uses an external water pump.

    058 blocks - fitted to early Audi A4's and Passats, around the years 1996-1999.

    APX uses a 06A block, cambelt driven internal water pump.

    06a blocks - fitted to all traversely mounted engines.

    If your thinking of swapping largeport heads around onto 06a blocks then no problem, the only consideration should be the Largeport heads don't have a SAI port. If your going to the process of a head swap then delete the SAI system and run a catch can.
    Also the Largeport heads don't have a VVT Camchain tensioner, you can install one though now problems.
     
    #4 grahams81, Apr 18, 2012
    Last edited: Apr 18, 2012
  5. peterdav

    peterdav Full Member

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    engine difference,s????

    hi and thanks for the replys.
    i wanted to know if AEB engine will fit and work in my audi tt??:confused:
    can any one help me out? :help:thanks
     
  6. peterdav

    peterdav Full Member

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    can i put 01 leon cupra 1800 20vt engine aqx engine in???
    will that work?


    i need help:cry:
     
  7. grahams81

    grahams81 Senior Member

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    Basically a AEB won't work. It needs to be a 06a block.

    Look for AGU, AUQ, AQX, AMK, BAM, etc etc.

    As a rule of thumb if the engine comes from a transverse mounted car - Golf mk4, Mk 1 Leon, mk1 Audi TT, Audi S3, then it will physically fit a Audi TT.

    There are small differences with the compression ratio's etc with the different engine codes. All the cranks are forged and pistons are forged items (mahle)
    The difference are gudgeon pins (wrist pin) size some are 19mm some are 20mm but if your not tuning either would be ok.

    The BHP rating of the standard engines i.e 150/180/210/225 isn't set by the engine inside, it's factors like different turbo's intercoolers / mapping etc.

    If you not bothered about excessive tuning / and wan't the easiest engine install then i would go with the original engine code, or with a AUQ or similar these 180bhp engines normally fitted with k03s turbos (assuming your replacing a 225bhp version just swap your turbo etc over and bobs your fathers brother :D

    You can pick up AUQ engines for as little as £400 on ebay, if you need one in a hurry then they normally on Buy It Nows around the £5-700 mark.

    Hope this help.
     
  8. peterdav

    peterdav Full Member

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    turbo differences??

    hi again
    will my 180 bhp turbo work aswell? off my leon? on the audi? sorry for all the q,marks lol.
     
  9. Dan1720v

    Dan1720v Senior Member

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  10. peterdav

    peterdav Full Member

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    turbo fitments?

    hope s0o cant be that easy.
     
  11. Dan1720v

    Dan1720v Senior Member

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    Only as hard as you make it :)
     
  12. Dan1720v

    Dan1720v Senior Member

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    Well, you never actually stated what your TT was, so I'm assuming it's a 180 aswell. If its a 225 or a 210 then the turbo is different.
     
  13. peterdav

    peterdav Full Member

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    it is 225 bhp so my leon 180 bhp turbo will not fit? am i rite in saying that?:confused:
     
  14. Dan1720v

    Dan1720v Senior Member

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    It will fit, but, you have to change alot and it'll run like a bag as its a smaller turbo. You need a K04.
     
  15. grahams81

    grahams81 Senior Member

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    Yeh your right, if your existing setup is a 225bhp car then you will need to keep your existing turbo and inlet manifold.... Basically everything but the engine.

    So buy a replacement engine, remove your engine and bolt your existing inlet manifold with injectors complete / turbo inc manifold. Basically everything will fit from your tt engine to the replacement engine.
     
  16. peterdav

    peterdav Full Member

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    thanks for reps
    so i need a ko4 turbo,. how mutch do thease roughly sell for? new and second hand?if i can get hold of 1, thanks
     
  17. Dan1720v

    Dan1720v Senior Member

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    Circa £300 for a second hand one.
     
  18. grahams81

    grahams81 Senior Member

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    So whats exactly wrong with the car ? is it the engine or turbo ??????
     
  19. Dan1720v

    Dan1720v Senior Member

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    Im going to take a stab at a failed oil pump or blocked pick up which has starved the lot of oil.
     
  20. peterdav

    peterdav Full Member

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    both i recon
    havnt gone at it yet .so thinking the worst lol
     

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