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Thread: B20 deck height

  1. #1
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    B20 deck height

    I have searched high and low, but cant find a confirmed deck height for the JDM B20 motor. Can anyone enlighten me?



  2. #2
    3Geez Veteran A18A's Avatar
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    Re: B20 deck height

    whats deck height?

  3. #3
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    Re: B20 deck height

    Quote Originally Posted by A18A View Post
    whats deck height?
    X2
    Last edited by TWOLOUDNPROUD; 11-05-2007 at 06:51 PM.
    LX-R coming soon Here's a hint. 89mm stroke/ 41.60cc head /ARP head & main stud's /SRP piston's 81.5mm 9:5:1/Crower Rod's & more to come

  4. #4
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    Re: B20 deck height

    Deck height is the measurement from the centerline of the crank to the top of the deck.

  5. #5
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    Re: B20 deck height

    Must be a compression ratio type of question with the deck thing. Doubt anyone knows that specific measurement.
    .

  6. #6
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    Re: B20 deck height

    It is a very useful measurement to have, im sure someone must have measured a block before. I have measurements here for just about every other B series block.

    The deck height measurement allows you to calculate compression ratios for different piston/rod/crank combinations.

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    3Geez Veteran MessyHonda's Avatar
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    Re: B20 deck height

    we got 8.661 when i ordered my custom pistons

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    Re: B20 deck height

    Shop manual says 250 mm for block height, but guess that's not the same as the deck height?

  9. #9
    3Geez Veteran A18A's Avatar
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    Re: B20 deck height

    is this teh deck height?

  10. #10

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    Re: B20 deck height

    maybe it is matt, im glad someone has a b20 block lying about mines still in the ship getting its mods

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    Re: B20 deck height

    you guys really don't know what deck height means???
    dead white and blue

  12. #12
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    Re: B20 deck height

    Quote Originally Posted by stat1K View Post
    you guys really don't know what deck height means???
    nope...can you explain? i tried looking online but didnt find a solid anz

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  13. #13

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    Re: B20 deck height

    Quote Originally Posted by stat1K View Post
    you guys really don't know what deck height means???
    its the height of the deck

  14. #14

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    Re: B20 deck height

    Oh my god fucking seriously. Matt, you're right.
    There actually are engines that have "tall deck" in their name, for example the GM 366 industrial V8, referred to as the tall deck engine.
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    Re: B20 deck height

    Quote Originally Posted by MessyHonda View Post
    nope...can you explain? i tried looking online but didnt find a solid anz
    considering it was already explained in this thread i'll repeat it, it's the measurement from the center line of the crank to the top of the block deck... if you look on any engine spec it more than likely will tell you bore, deck height, etc...
    dead white and blue

  16. #16
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    Re: B20 deck height

    Quote Originally Posted by stat1K View Post
    considering it was already explained in this thread i'll repeat it, it's the measurement from the center line of the crank to the top of the block deck... if you look on any engine spec it more than likely will tell you bore, deck height, etc...
    yeah..thanks...but really i looked all over for it in the pual manuals pdfs...nothing it just says stuff like bore and stroke. i even went on prelude power trying to find something but i didnt...the wiseco guy said they made some b20a5 turbo pistons once so he used that mesurement

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  17. #17


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    Re: B20 deck height

    well i believe you can figure it out from the other measurements but i'm not 100% on that...
    dead white and blue

  18. #18

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    Re: B20 deck height

    someone measure there factory unwhored motors deck height so i can add it to the B20A.org. someone that hasnt had their deck plained/skimmed

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