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  1. #1
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
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    Torrance

    Where to purchase a used b7 rs4 engine

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    I purchased a rs4 car about a half year ago and the engine wasn't holding compression. Found out that the cylinder heads were damage. Now I need to find a used engine. Been looking but no luck. Any ideas will help. The car has been in the shop for almost a half a year because of this issue.



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  2. #2
    Account Terminated Four Rings Quattrors4's Avatar
    Join Date
    Sep 15 2009
    AZ Member #
    103189
    My Garage
    twinturbo b7 rs4 v8
    Location
    ri

    Best bet usually is eBay

  3. #3
    Veteran Member Four Rings dsgray16's Avatar
    Join Date
    Jun 11 2013
    AZ Member #
    116994
    Location
    NYC

    Check in with AutoHaas in NJ.. I got a bunch of RS4 engine components from them, and they see long block come through occasionally. Also check www.car-part.com.. and the obvious, ebay.

    Good luck!
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  4. #4
    Senior Member Two Rings IronmanS4's Avatar
    Join Date
    Oct 28 2007
    AZ Member #
    22162
    Location
    Speedland, Zoo York

    There are enough wrecked R8 4.2's out there , so you can look for one of those as well. GL.
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  5. #5
    Veteran Member Three Rings davidkae's Avatar
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    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance

    I tried researching about that but I heard the block is not completely the same.
    If anyone needs any parts off my rs4 motor, let me know. Trying to recoup any amount


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  6. #6
    Veteran Member Four Rings Audibot's Avatar
    Join Date
    May 20 2010
    AZ Member #
    59252
    Location
    Maryland

    Ditto on Auto Haas.

  7. #7
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance

    Thank you! I hope I get my car running. Bought the car and didn't get to enjoy it yet. What luck


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  8. #8
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance





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  9. #9
    Veteran Member Four Rings ven0m's Avatar
    Join Date
    May 10 2015
    AZ Member #
    332001
    My Garage
    Audi RS6 c7 (Avant), Audi RS4 b7 (Sedan), Audi A4 AllRoad b8.5 (Avant)
    Location
    Slovenia

    R8 4.2 engines are the same as the RS4. Only difference between the two engines is the dry sump.

    The user "Mc Suly" is running an R8 engine in his RS4.




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  10. #10
    Senior Member Two Rings
    Join Date
    Sep 20 2015
    AZ Member #
    356812
    Location
    CT

    Check pm

  11. #11
    Established Member Two Rings
    Join Date
    Oct 25 2016
    AZ Member #
    383874
    Location
    Toronto

    What are the ranges for a used engine, 10-12K USD?

    And then you have to pay for installation, while you can get a used RS4 for low 20's (and possibly sell the rolling rs4 for who knows how much)

  12. #12
    Account Terminated Four Rings Quattrors4's Avatar
    Join Date
    Sep 15 2009
    AZ Member #
    103189
    My Garage
    twinturbo b7 rs4 v8
    Location
    ri

    Quote Originally Posted by dualquad View Post
    What are the ranges for a used engine, 10-12K USD?
    depends on milage but they range around 5500 to 9000$

  13. #13
    Veteran Member Four Rings Audibot's Avatar
    Join Date
    May 20 2010
    AZ Member #
    59252
    Location
    Maryland

    I wonder if Alex has one, since I know he has parted out some RS4s in the past. Try hitting up 65vetteC6...

  14. #14
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance

    Thank you. Will try all possible solutions


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  15. #15
    Veteran Member Three Rings
    Join Date
    Feb 13 2004
    AZ Member #
    448
    My Garage
    AW E30 M3 & PB B7 RS4 (DD)
    Location
    SoCal

    Quote Originally Posted by Audibot View Post
    I wonder if Alex has one, since I know he has parted out some RS4s in the past. Try hitting up 65vetteC6...
    Second for Alex, great seller.
    Other note: R8 block if you can find one, McSully went thru two of them so no question comparability, it's matter where to find one for good price. Good luck Dave

  16. #16
    Established Member Two Rings
    Join Date
    Aug 22 2014
    AZ Member #
    277070
    My Garage
    07 Rs4 Avus
    Location
    Lancaster, Pa.

    what shape is your lower end in(short block)? I may need one. I will know for sure after this weekend when i drop the pan.

  17. #17
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance

    I have no clue . Car is in the shop with my mechanic


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  18. #18
    Established Member Two Rings
    Join Date
    Aug 22 2014
    AZ Member #
    277070
    My Garage
    07 Rs4 Avus
    Location
    Lancaster, Pa.

    I think I misunderstood you. In the original post you say cly head but the pic are pistons so nevermind if that pic is of your motor. I most likely will be looking for a short block if anybody has one.

  19. #19
    Established Member Two Rings
    Join Date
    Oct 25 2016
    AZ Member #
    383874
    Location
    Toronto

    Quote Originally Posted by Quattrors4 View Post
    depends on milage but they range around 5500 to 9000$
    So a rolling RS4 (w/o motor) would be worth maybe 10-14K I would imagine?

  20. #20
    Veteran Member Four Rings Sole_'s Avatar
    Join Date
    Oct 29 2009
    AZ Member #
    49965
    Location
    Toronto

    Put a 2.7 motor in there and call it a day!
    Imola<3

  21. #21
    Senior Member Two Rings
    Join Date
    Sep 20 2015
    AZ Member #
    356812
    Location
    CT

    Quote Originally Posted by dualquad View Post
    So a rolling RS4 (w/o motor) would be worth maybe 10-14K I would imagine?
    Someone can buy a shell and drop a motor in all around 23k. Not bad really with a fresh motor.

  22. #22
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance

    ^^^if I can find a fresh engine.


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  23. #23
    Veteran Member Three Rings
    Join Date
    Feb 13 2004
    AZ Member #
    448
    My Garage
    AW E30 M3 & PB B7 RS4 (DD)
    Location
    SoCal

    Quote Originally Posted by dualquad View Post
    So a rolling RS4 (w/o motor) would be worth maybe 10-14K I would imagine?
    There is one (vert) with a bad engine for sale 14K

  24. #24
    Veteran Member Four Rings sandspeed's Avatar
    Join Date
    Mar 13 2007
    AZ Member #
    16375
    My Garage
    05 S4 Abt AS400 clone, 13 Allroad/RS5 swap
    Location
    SoCal, but not the nice part

    Quote Originally Posted by davidkae View Post
    ^^^if I can find a fresh engine.


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    If the block is good, let me know. I'll buy it from you right now. I have a block with some minor damage to mount brackets, and I'd prefer to just replace rather than repair it.

    - - - Updated - - -

    Quote Originally Posted by d2a4 View Post
    There is one (vert) with a bad engine for sale 14K
    That seems a bit overpriced for basically a rolling chassis. Do you have a link?
    -Tim

  25. #25
    Account Terminated Four Rings Quattrors4's Avatar
    Join Date
    Sep 15 2009
    AZ Member #
    103189
    My Garage
    twinturbo b7 rs4 v8
    Location
    ri

    Quote Originally Posted by sandspeed View Post
    If the block is good, let me know. I'll buy it from you right now. I have a block with some minor damage to mount brackets, and I'd prefer to just replace rather than repair it.

    - - - Updated - - -



    That seems a bit overpriced for basically a rolling chassis. Do you have a link?
    he posted a picture of the bock already and its not good the cylinder wall is gouged

  26. #26
    Veteran Member Three Rings
    Join Date
    Feb 13 2004
    AZ Member #
    448
    My Garage
    AW E30 M3 & PB B7 RS4 (DD)
    Location
    SoCal


  27. #27
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance

    Thank you. Looks like a lot of work. I can't wait until I get this car running


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  28. #28
    Veteran Member Four Rings q_dubz's Avatar
    Join Date
    Dec 16 2008
    AZ Member #
    36417
    My Garage
    Single Turbo V8 S4
    Location
    EAST COAST

    Just swap the bed plate....

  29. #29
    Veteran Member Four Rings 65vetteC6's Avatar
    Join Date
    Jul 28 2007
    AZ Member #
    19879
    My Garage
    V8's
    Location
    In an Audi

    Quote Originally Posted by q_dubz View Post
    Just swap the bed plate....
    That block might be trash. If you look close the block also has a chunk out of it in the same section, there is a coolant passage right there.

  30. #30
    Veteran Member Three Rings davidkae's Avatar
    Join Date
    Apr 20 2004
    AZ Member #
    1799
    Location
    Torrance

    Thank you 65vetteC6 for getting me an engine


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  31. #31
    Senior Member Two Rings
    Join Date
    Sep 20 2015
    AZ Member #
    356812
    Location
    CT

    Nice

  32. #32
    Veteran Member Four Rings q_dubz's Avatar
    Join Date
    Dec 16 2008
    AZ Member #
    36417
    My Garage
    Single Turbo V8 S4
    Location
    EAST COAST

    Quote Originally Posted by 65vetteC6 View Post
    That block might be trash. If you look close the block also has a chunk out of it in the same section, there is a coolant passage right there.
    yep i see it now, damn!

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