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  1. #1
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    Boost Pressures/Throttle Body

    Im am interested in what boost presures you guys are getting from the B-KIT measured at the:
    (A) Supercharger
    (B) Manafold

    I know someone guys Skis showed 14 or 15 psi but where was this reading taken from?
    I am working on what boost pressure loss is between the Supercharger and the closest point to the inlet valve in the Intake manafold.

    If you have ever measured between these exact points you will see what am talking about.

    Has anyone experimented with the Throttle Body as we have noticed boost loss with the standard unit.

    Has anyone tried a bigger throttle body and what type?

    Any input would be appreciated.


  2. #2
    HOSS's Avatar
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    Shibby had the site,,I`ve got it somewhere on one of the shop puters. Think it was www.maxbore.com I wouldn`t trust anyone else to do it.

  3. #3
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    Quote Originally Posted by HOSS
    Shibby had the site,,I`ve got it somewhere on one of the shop puters. Think it was www.maxbore.com I wouldn`t trust anyone else to do it.
    Thanks Hoss

    What sort of gains and has anyone done it?

  4. #4
    HOSS's Avatar
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    Much more acceleration which is why a TB spacer would be a deffinate noticable gain. I`m sure once my RR impeller is installed I`ll see much more gain.

  5. #5
    Site Admin Green Hulk's Avatar
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    I see 15.0 to 15.2 PSI of boost at 8750 RPMs measured at the manifold.

    I also have a bored 56mm throttle body

  6. #6
    RXPDAVID's Avatar
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    Downunder, The boost levels will depend on your rpm's. At 8400-8450 rpms you should see around 12 psi reading from the manifold.

  7. #7
    i just ran 12-13 at 8400-8420

  8. #8
    RXPDAVID's Avatar
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    What gps speed are you getting?

  9. #9
    CRS's Avatar
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    Quote Originally Posted by beachboy66
    i just ran 12-13 at 8400-8420
    Beachboy,got your b kit on allready? What do you think?

  10. #10
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    Quote Originally Posted by RXPDAVID
    What gps speed are you getting?
    If your asking me its:

    75mph @ 8160 rpm
    This is with the Stock ECU

    We are just about to add a modified ecu and a few other changes

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