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Thread: a20a3 automatic tranny swap

  1. #1
    DX User
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    Nov 2010
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    a20a3 automatic tranny swap

    Ok I have gather some information on transmission swap and was just wandering if i am correct. I am trying to do a a20a3 automatic transmission swap over to a 5spd transmission. But unlucky in my area it has seem to be hard to find any 3 geez 5 spd tranny. So after reading post/threads, I figure that the
    B18A integra transmission is compactible(spelling?) with the a20a3 as they share similar or same parts. But my question is that can you use a b18a 5spd tranny with the stock automatic a20a3 bell housing to mate the tranny onto the a20a3 engine? I know that the flywheel, clutch assembly, clutch cable/pedal also will need to be changed over. But can all this come from a
    b18a integra cable? any advise will greatly be appreciated. thanks



  2. #2
    3Geez Veteran MessyHonda's Avatar
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    Feb 2006
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    89 LX-i(5speed)
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    Re: a20a3 automatic tranny swap

    the b series trans will not work with the a20 motor...only some internal componets are swap able but you will still need a a20 trans

    1989 Honda Accord LX-i
    B18c1 swap since 7/2011
    175whp and 132tq
    Redzone tuned

  3. #3
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    Re: a20a3 automatic tranny swap

    ok thanks alot

  4. #4

    Dr_Snooz's Avatar
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    Re: a20a3 automatic tranny swap

    Where are you at?
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

    Shop manual downloads available here: CLICK TO VIEW

  5. #5
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    Re: a20a3 automatic tranny swap

    MN, I have check junkyards all over metro area, craigslist, and ebay. Nothing i can find but only b18 parts. I don't want to swap in b16/b18 engine into my accord, I want to preserve the a20 engine with respectable horsepower only.

  6. #6

    Dr_Snooz's Avatar
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    Re: a20a3 automatic tranny swap

    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

    Shop manual downloads available here: CLICK TO VIEW

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