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Thread: 85 Prelude Help

  1. #1
    DX User
    Join Date
    Sep 2022
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    Honda Prelude
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    2

    85 Prelude Help

    Hello, I’d appreciate some information on the 84-85 A18/ET-2 motors if anyone knows about them. I have an 85 Prelude base model with the dual Keihin carbs.

    How I modified it to a single carb:
    I put an A20 head off an Accord and adapted a Weber carb to fit. It ran but unknown to me until it was too late, the top end locked up and stretched the belt. Pulled the valve cover and it was dry.

    I’m wondering if those late 80s carbed model Accords have different oil passages than on the A18. Does anyone know if this head will not work. If it doesn’t, what would? I’m not looking for performance as it’s just a cruiser. I’m looking for the simplest and reliable set up. Thank you!



  2. #2
    LX User RI86DX's Avatar
    Join Date
    Jul 2022
    Vehicle
    1986 Honda Accord DX, A20A1 4SPD H4F4 AT
    Location
    Rhode Island
    Posts
    104

    Re: 85 Prelude Help

    Might want to ask around on PreludePower.

  3. #3
    DX User
    Join Date
    Sep 2022
    Vehicle
    Honda Prelude
    Posts
    2

    Re: 85 Prelude Help

    Thanks. I’ll give it another try. I tried signing up for that forum but never was able to log in successfully over my phone or computer.

  4. #4

    ShiRen's Avatar
    Join Date
    May 2018
    Vehicle
    87 Accord DX
    Location
    MO
    Posts
    1,175

    Re: 85 Prelude Help

    An easy way to tell is compare the head gaskets

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