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Thread: JDM B16A Manifold On B20A / Also Fits A20A

  1. #1

    Justanothermike's Avatar
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    Exclamation JDM B16A Manifold On B20A / Also Fits A20A

    this is a jdm B16a manifold on the B20. The manifold is far supperior over the a20 or b20 manifolds, with larger, shorter, and more direct ports. the manifold has increased top end preformance significantly. its time for a set of cams








  2. #2

    carotman's Avatar
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    Looks sweet!!!!

    Was it real hard to modify? Did you do any portmatch?


    I see that you got rid of the Vacuum distributor as well!

    What ECU is it running now?


    (lots of questions!)

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

  3. #3

    Justanothermike's Avatar
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    haha i knew u'd notice that!! its running a 90-91 prelude SI ecu now. simple upgrade its just u need to get the distributor and a braket to mount the distributor, forget where it came from.

    The manifold was port matched with the head and JDM throttle body is installed aswell.

  4. #4
    3Geez Veteran ACCORD EX's Avatar
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    BTW you need to add PS fluid in your car ! :lol

    MIKE
    3geez member since October 4th 2001

  5. #5

    carotman's Avatar
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    Nice,

    do me a favor and find where that crank sensor and distributor came from


    Well, I have the original B20A distributor, I might use that one instead

    I guess that the 90-91 teg ecu would work too.

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

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

  6. #6
    LXi User 2Fast_Fiero's Avatar
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    Since I see you guys do the most amazing things like what Justanothermike did, what all would I need to install the B16A Manifold onto my A20A3? BTW, that looks sweet man, I'm not gonna do a swap yet until atleast a year from now, I'm just gonna supe up this engine, then either sell it or keep it cleaned up on a nice engine stand in my garage.

  7. #7
    SEi User MoonScryer's Avatar
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    Mike: tell your people good work as always....and hmmm, it clears the hood...I'm glad I was wrong
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  8. #8
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    Did you dyno the B20 before and after the upgrade? Do you think you lost any low end with the B16 intake?

    Oh BTW nice job can't wait to see more pics and some dyno results and track times.
    87 4dr LX "It was FREE"
    91 CRX Si it was only $500 hehe

  9. #9
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    this has got my curiosity peaked to say the least. what the part # on the prelude ecu ?? might have a hack for it.
    Want your A series to kick a B series engines ass?email me for detials or check out our site

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  10. #10

    PhydeauX's Avatar
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    heh as soon as you mention ecus.. :b

    Its nice to see somone finally did this, I remember spending atleast a week reading loads of crap and trying to get my hands on a b16a manifold gasket to find out if it would work. What did you have to do for the injectors, and did the water pipe on the manifold interfere with anything?

    andy

  11. #11
    3Geez Veteran smufguy's Avatar
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    Looks soo clean too, this pic is going on my website if u dont mind. hehehe, this is soooooooooo damn hot. time to kick all those asses on the road

  12. #12
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    that would be an ITR mani

  13. #13
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    hey just another mike would you consider selling these to the masses prefitted. i think it would make a decent buck. ayways how much for the manifold. i want it for my a20 turb project.
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  14. #14
    LX User My 89 Accord Lxi's Avatar
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    nice that looks sweet

  15. #15

    Vanilla Sky's Avatar
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    would that 90-91 SI ECU work on an a20? same about the intake manifold

    that thing looks like it has had some seriously top notch work done, props to the entire shop

    if the manifold fits an a20, i may be getting one, possibly an USDM one from the scrapyard to save money

    Derick

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    Hey mike you wouldnt want to give a parts list and a brief rundown of your project...i like the idea of no vacum hoses shit to mess up...plus it looks like your getting a better air intake too...oh and what do the numbers stand for sorry i never caught that part in my honda training on the board...
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  17. #17
    u have 2 fuel pressure regulators... what for?

    that engine looks f00kin sweet in there!
    Eric
    3geez member since October 12, 2000
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  18. #18

    Justanothermike's Avatar
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    the thing at the end of the fuel rail is a pressure dampener. the crank sensor and distributor are from the prelude. The ecu is a PK2 and the fuel rail is from an integra.

    funstick: i think ur best bet would be to get the ITR manifold. it can be modified exactly the same way and the runners are even shorter and the plenum is closer to the head.

  19. #19
    LXi User 2Fast_Fiero's Avatar
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    Question

    How good will a USDM B16A Intake Manifold do for my A20A3 engine? and if it will be a good thing, what will I need to install it and for it to run right?

  20. #20
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    look back from the dead. mike where are you mr openloop.??? anyways i dont think the ITR manidold is what i need. i need good off boost low end TQ. plus low rpm flow velocity helps the turbo spool much more effectively. i have a thoery one that but i dont have time to squash or float the idea. anyways thats is a stock b16a manifold or the itr im asking becuase i dont need packaging trouble ?
    Want your A series to kick a B series engines ass?email me for detials or check out our site

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  21. #21

    Justanothermike's Avatar
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    yeah i see wut u mean. its the same thing with intercooler piping. the larger the piping the more air flow but the more lag time cuz the turbos gotta fill up all that space with the pressurized intake air.

  22. #22
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    hmm ive got a pretty compact ic pipping setup and what not. so thats not really a concern. my issue is with having enough vacum and static off boost airlfow to keep the engien making decent TQ till spool up. then again having a lot of intake velocity is like kickstarting the turbo as well. keepping it spinning even at low speeds is well worth the effort. reduced boost lag is the result.
    Want your A series to kick a B series engines ass?email me for detials or check out our site

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  23. #23
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    That looks mad sweet in there man Awesome Job!!!

  24. #24
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    So is that the USDM B16 manifold or what???

  25. #25

    bobafett's Avatar
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    well i didnt get this info out of the thread, but could this b16a intake manifold work on an a20a3 without too many headaches, or would the 86-87 manifold suffice?

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