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  1. #49
    wow, nice thread guys!

    several people arguing about several different things, from several different angles.

    all i have to add is that a 140mm TB would be a bitch to drive in traffic compared to 80mm TB, on a Honda B series...
    B20VTEC - since 2002

  2. #50
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    Hi Power Racing
    Car:
    EF8 - Fastest F
    i built race engines and my cars are faster than yours.. hee hee...
    like to see what your b20 does on the 1/4 with smaller TB

    and my car does it talking on the drags and circuit.. not on the dyno..

    dyno ponys are bullshit.. they are used to glorify the tuners..

    tinkerbell ..
    the 140mm TB was just a figure of Speech.. regarding response you will not have a drop in response. that is the misconception im trying to straighten out..
    Last edited by Hipowerracing; 03-01-2008 at 01:23 PM.

  3. #51
    Quote Originally Posted by Hipowerracing View Post
    <snip> usless bullshit<snip>

    tinkerbell ..
    the 140mm TB was just a figure of Speech.. regarding response you will not have a drop in response. that is the misconception im trying to straighten out..
    o'rly?

    i agree, my problem would be the MASSIVE increase in "response" you get going from a 80mm to 140mm TB...

    you would only need to breath on the throttle pedal and the revs would climb to the limiter...

    again, i'm just pointing this out, as there actually IS a point where BIGGER is not actually BETTER....
    B20VTEC - since 2002

  4. #52
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    I understand that, but still don't agree that bigger is always better. On a race car where WOT is used, yes, it doesn't matter how big it is. But for a street car, where various throttle applications are required, the bigger the better will not be good for driveability.

    And as I corrected myself above, a bigger throttle body will in fact give better throttle response at small throttle openings.

  5. #53
    wow , this was quick to turn to poor posts. Some are dissing traders/builders , while some backyard guys think they know more. Who cares ? This is a thread about IS 62mm overkill throttle body for X application. And the answer is NO.

  6. #54
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    CT9A
    i guess we should make a new post regarding enlarged thorttle bodies ey?

  7. #55
    why, you will just end up talking apples VS oranges again?
    B20VTEC - since 2002

  8. #56
    wow~~!! I didnt come to this thread for a while.

    now I had learn alot of basic fluid mechanics knowledges n how there r related into engines.

    good job man .

    thank you very much for sharing
    Yo~~! Vtec go ! go ! go !

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  9. #57
    Quote Originally Posted by dynosaur View Post
    er....... regarding to the Spoon website , it said the ITR throttle body got 67mm of diameter.

    http://www.spoon.jp/product/pdfs/p24_p35.pdf

    Plz corrrect me if I m wrong.
    thanks
    looks like Spoon mixed up DC2 and DC5 std sizes?

    see what all the other B series are? 62mm

    see what all the other K series are? 67mm

    B20VTEC - since 2002

  10. #58

    Red face

    Quote Originally Posted by tinkerbell View Post
    looks like Spoon mixed up DC2 and DC5 std sizes?

    see what all the other B series are? 62mm

    see what all the other K series are? 67mm

    thats y....

    so , do u know which is the correct 1 ?
    Yo~~! Vtec go ! go ! go !

    Check this :

    Garage Sales ( Brand New items ) For sale : http://www.ozhonda.com/forum/showthread.php?t=83889

  11. #59
    B = 62

    K = 67
    B20VTEC - since 2002

  12. #60
    Let's bring this thread back to life.
    If my IM is 64mm, is it ok to use 68mm without porting the IM or should i port the IM to match the TB? Because i thought 68mm will be to big.

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