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Thread: My JDM B20A and questions

  1. #1
    DX User
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    My JDM B20A and questions

    Hey fellow accord brothers,

    I have a JDM B20A engine which i am considering putting into my 86 prelude SI.. The engine that I have appears to have all the critical components except for things like the axles, wiring harness, ecu, accessories etc.. I am not probably nearly the mechanic that some of you guys are but I believe I could honestly make this work with some really good support. The first thing I wanted to ask was if this engine the JDM B20A 160 hp came in the accord and if so was it exclusive to the JDM accord model or did the accords come with the B20A black top 140 hp?



  2. #2
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    Re: My JDM B20A and questions

    I am also having a hard time finding the for sale section..

  3. #3

    carotman's Avatar
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    Re: My JDM B20A and questions

    As long as you have the engine, transmission and rear mount bracket from a prelude, you'll be fine.

    If you don't have the rear bracket from a prelude, I happen to have one.

  4. #4
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    Re: My JDM B20A and questions

    I would like to get my hands on the Ecu for this engine and the wiring harness. I dont want my Lude to be a rats nest and don't have the knolage to rewire a bunch of stuff. Is there anyone on here with one of these engines or parts for a B20A. Anyone one in America particularly??

  5. #5

    2oodoor's Avatar
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    Re: My JDM B20A and questions

    You really don't need a wire harness because you are using the whole intake manifold off the current a20a3. You need a 1st gen integra distributor to run it. You can get the ecu later to get more out of it but i would convert to obd 1 rather than that, which can be done later.
    There is. B20a in the for sale now just posted yesterday..
    Post a pic of what you got, what accessories are missing?
    Last edited by 2oodoor; 06-16-2012 at 05:44 PM.

  6. #6
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    Re: My JDM B20A and questions

    Thanks roodoo 2 but I do infact have the JDMB20A intake as well.. Carot man has given me a shit load of information also but I would like to get my hands on certain parts after a lot of my own research.. You can see my pictures of the parts I have here at this link..

    http://www.preludepower.com/forums/s...d.php?t=334467

  7. #7

    2oodoor's Avatar
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    Re: My JDM B20A and questions

    As far as I know the B20a and A20a3 intakes are identical but you would need modifications to run the 86-87 model on a 88-89 model and visa versa.

  8. #8
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    Re: My JDM B20A and questions

    My car is a prelude 1986 and I believe the intakes are different.. I can't find a for sale section ?

  9. #9
    LX User EbidaDragon's Avatar
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    Re: My JDM B20A and questions

    I know this may be a bit odd, but I'd really -really- like to thank you for your visual tutorial on changing the oil pan gasket! I have yet to find anything around here like that, so the visuals and good instructions are exceptionally useful! We all have the same block (A20A, right?), so the tutorial should be near the same for the Accord compared to the Prelude, right?

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