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Thread: OBD-I conversion

  1. #1
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    OBD-I conversion

    Hey guys, I know that there are lots of threads on this but I tried search tool and can't seem to find them can someone please tell me which ecu u get for doin the conversion and if anything needs to be done custom if you can send me a link to the thread that would be great. I have been away from my 3g for a long time but finally i am back on my project and think i will turbo soon so i need to do the conversion that will work easily with a program like hondata. thanks for the help!



  2. #2
    3Geez Veteran A18A's Avatar
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    Re: OBD-I conversion

    Quote Originally Posted by Nik247 View Post
    can someone please tell me which ecu u get for doin the conversion
    Quote Originally Posted by 89T View Post
    chipable ecu's
    USDM, EDM, or JDM
    Non-VTEC
    P05
    P06
    P09
    P1K
    P27
    P29
    P54
    P74
    P75
    PR4
    VTEC ECUs
    P08
    P28
    P30
    P61
    P70
    P72
    P91
    PR3
    Quote Originally Posted by Nik247 View Post
    if anything needs to be done custom if you can send me a link to the thread that would be great
    https://www.3geez.com/forum/restoration-custom-fabrication/62375-obd-1-conversion.html

  3. #3
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    Re: OBD-I conversion

    sweet thank you this helps

  4. #4

    Bglad420's Avatar
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    Re: OBD-I conversion

    p75 is a good one.
    I can't read the signature rules so MrBen deleted my signature.

  5. #5
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    Re: OBD-I conversion

    So can I use just any p75 manual ecu from an integra? And how well does that ecu respond to boost? Do I need to get a boost controller or something? I'm new to turbos so I might ask some stupid questions.

  6. #6
    3Geez Veteran MessyHonda's Avatar
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    Re: OBD-I conversion

    Quote Originally Posted by Nik247 View Post
    So can I use just any p75 manual ecu from an integra? And how well does that ecu respond to boost? Do I need to get a boost controller or something? I'm new to turbos so I might ask some stupid questions.
    non of the honda factory ECU came programed for boost. OBD1 lets you control fuel and spark so you would need to get a program made for the ecu.

    i run p06 from a civic in my car with a dyno tune and a pr4 from a teg and the pr4 really runs good too(the owner before me had a p75 and with a modded engine he made 164whp)

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

  7. #7
    SEi User Strugglebucket's Avatar
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    Re: OBD-I conversion

    Just remember a P75 in stock form won't control the stock intake manifold secondaries or the EGR. That's not a problem if you swap to a B16 manifold, which pretty much everyone who doesn't live in California has done.
    Originally Posted by Justanothermike
    my A20 is not SLOW. ur A20 is slow.

  8. #8
    3Geez Veteran MessyHonda's Avatar
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    Re: OBD-I conversion

    Quote Originally Posted by Strugglebucket View Post
    Just remember a P75 in stock form won't control the stock intake manifold secondaries or the EGR. That's not a problem if you swap to a B16 manifold, which pretty much everyone who doesn't live in California has done.
    i got a b16 mani on both my cars...i just pay around 4 times as much to pay for smog

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

  9. #9
    3Geez Veteran Civic Accord Honda's Avatar
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    Re: OBD-I conversion

    $280 to smog? mother of god 0_0

    1988 Honda Accord LX-i Coupe 123k miles.

  10. #10
    3Geez Veteran MessyHonda's Avatar
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    Re: OBD-I conversion

    Quote Originally Posted by Civic Accord Honda View Post
    $280 to smog? mother of god 0_0
    werd...but i have a cam, adjustable cam gear, no cat, headers, intake, and gobs of power on tap

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

  11. #11


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    Re: OBD-I conversion

    ^ lol'd at gobs.
    soul for purchase ain't no ordinary crime
    Bult By Notorious <- use "statiK" as your coupon code!
    statiK's 3geez stickerathon!

  12. #12

    2drSE-i's Avatar
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    Re: OBD-I conversion

    Quote Originally Posted by stat1K View Post
    ^ lol'd at gobs.
    Lol 130>110
    '89 SE-i Coupe
    Awaiting Garage
    Quote Originally Posted by AccordEpicenter View Post
    its better to be retarded than advanced

  13. #13


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    Re: OBD-I conversion

    BrO IT HAS GOBS!
    soul for purchase ain't no ordinary crime
    Bult By Notorious <- use "statiK" as your coupon code!
    statiK's 3geez stickerathon!

  14. #14

    89T's Avatar
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    Re: OBD-I conversion

    Quote Originally Posted by stat1K View Post
    BrO IT HAS GOBS!
    That's the funniest shit I read all month.
    un-motivated!
    someone make me an offer i just could not say no to.

    3GR

  15. #15


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    Re: OBD-I conversion

    on TAP SON!
    soul for purchase ain't no ordinary crime
    Bult By Notorious <- use "statiK" as your coupon code!
    statiK's 3geez stickerathon!

  16. #16
    2.0Si User cubert's Avatar
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    Re: OBD-I conversion

    cant believe i missed this.

  17. #17
    3Geez Veteran Civic Accord Honda's Avatar
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    Re: OBD-I conversion

    omg

    1988 Honda Accord LX-i Coupe 123k miles.

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