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Thread: B20A Swap need info

  1. #1
    Accord of the Year - 2008

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    Cool B20A Swap need info

    Ok i am Thinking of putting a B20A in.I would like to hear from you guys Who has done it and if you have pic's post them PLEASE. Thank you
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come



  2. #2

    carotman's Avatar
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    I did it... and documented alot of stuff on here.




    http://pages.videotron.com/omus
    3geez member since July 12 2000

    I need these parts!
    https://www.3geez.com/forum/showthread.php?t=67742

  3. #3
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    do you have any pic's of the motor mounts and what motor mounts do you need to change to make it fit?
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come

  4. #4
    LX User Civvy's Avatar
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    I've done it but i'm not a wiz wit puting pics and things on here.
    I can mail them to u tho, u going F.I. or carb?
    any help? pm me

  5. #5
    Accord of the Year - 2008

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    carotman What Honda are the B20A Come from and years of them?
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come

  6. #6
    2.0Si User mykwikcoupe's Avatar
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    wow carot that is B-E-A-Utiful. nice work man. Looks stock at that. OHHHHHHh

  7. #7
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    Well i found a B20A for $550. it a good deal but i does not have the mounts for the power steering or the alternator or ac so does any one know where i can get them at?
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come

  8. #8
    DX User
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    good luck...when ya find b20 mounts lemme know.. i need some too

  9. #9

    carotman's Avatar
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    It's all the the FAQ guys... do a little reading and come back.

    The B20A mounts are the same as the A20A... you only need to use the rear tranny L bracket from the B20A but that's all..

    http://pages.videotron.com/omus
    3geez member since July 12 2000

    I need these parts!
    https://www.3geez.com/forum/showthread.php?t=67742

  10. #10
    Accord of the Year - 2008

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    carotman Can you take some pic's of your motor mounts and post them that would help me alot
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come

  11. #11

    snoopyloopy's Avatar
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    Re: B20A Swap need info

    Quote Originally Posted by carotman
    It's all the the FAQ guys... do a little reading and come back.
    The B20A mounts are the same as the A20A... you only need to use the rear tranny L bracket from the B20A but that's all..
    tranny L bracket....any pix of that, part number to a corresponding usdm part? is that welded to the frame or bolted?

  12. #12
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    Re: B20A Swap need info

    Quote Originally Posted by snoopyloopy
    tranny L bracket....any pix of that, part number to a corresponding usdm part? is that welded to the frame or bolted?
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come

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    Re: B20A Swap need info

    hmm....so what exactly am i looking at?

  14. #14
    LX User MECM's Avatar
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    Re: B20A Swap need info

    ^^^^^ I think we would all like to know :)

    My 86 Accord Lx-i

    Quote Originally Posted by Legend_Master
    Damn D-series propaganda. And BT stands for Better Torque, thats something you D-series guys wouldn't understand.

  15. #15
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    Re: B20A Swap need info

    Quote Originally Posted by snoopyloopy
    hmm....so what exactly am i looking at?
    The first three pix's are of the P/S brackets and the last two pix are of the B20a tranny L bracket
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come

  16. #16

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    Re: B20A Swap need info

    so it's a bolt-on affair?

  17. #17


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    Re: B20A Swap need info

    Its all bolt in if you get the right stuff. Everything has been posted in Carotmans and YK86's posts. There is a lot of info on here and iv posted lots of things here as well.

    It is very hard to find a complete B20A there are many floating around but its hard to get one with everything you need so if you want to do this swap get ready to do some research and you will need some fabrication depending how complete of a swap you find. For starters most only have the exhaust manifold w/o a downpipe and its different so you need the downpipe unless you modify a prelude header which are hard to come by these days (aftermarket). But there are many options as for what you can use for parts and you will still need to get your hands on JDM parts which is a pain but makes it interesting cause what you have is something that you wont see at every car show. Im still trying to finish my project but its on hold until i get my debt taken care of but im hoping to work on the motor by spring time again.

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