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  1. 05-21-2008, 03:42 PM #1
    Green Hulk
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    Rising rate fuel pressure regulator modification service now available for 08 models

    http://www.4-tecperformance.com/inde...roducts_id=880



    Send in your stock fuel pump module for modification to an external rising rate fuel pressure regulator. Your modified fuel pump assembly will be returned to you along with a high flow billet fuel rail, Turbosmart rising rate fuel pressure regulator and all necessary hoses and fittings.

    There will be a flat rate shipping charge of $55 for return shipping via USPS Priority Mail to anywhere in the United States. International orders will have shipping billed at applicable rates.


    Once your order comes through i will email you with the shipping address in Puerto Rico to send your fuel pump module.
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  2. 05-21-2008, 03:47 PM #2
    boostaholic
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    Sorry to sidetrack the thread..

    Does the RXPX have a larger(higher flowing) fuel pump? Or just a diff setup?
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  3. 05-21-2008, 03:49 PM #3
    Green Hulk
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    it's just a different setup. It has a built in regulator that must be removed and blocked off.
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  4. 05-21-2008, 05:03 PM #4
    chuck
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    that kit looks great, malvin does great work.
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  5. 05-21-2008, 06:18 PM #5
    joeprice
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    rxpxt, do i need a rising rate if im running the rotax racing ecu, charger wheel and spacer, 60lb f injectors?
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  6. 05-21-2008, 06:24 PM #6
    DarthAWM
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    Quote Originally Posted by joeprice View Post
    rxpxt, do i need a rising rate if im running the rotax racing ecu, charger wheel and spacer, 60lb f injectors?
    Why not, you're that far in already
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  7. 05-21-2008, 06:28 PM #7
    Green Hulk
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    Quote Originally Posted by joeprice View Post
    rxpxt, do i need a rising rate if im running the rotax racing ecu, charger wheel and spacer, 60lb f injectors?
    No, that ECU with the 60's is delivering plenty enough fuel
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  8. 05-21-2008, 06:30 PM #8
    kp04rxp
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    Quote Originally Posted by Green Hulk View Post
    No, that ECU with the 60's is delivering plenty enough fuel

    lets just say its kinda like having a large cam down in the lower rpms

    Very managable though.
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  9. 05-21-2008, 06:42 PM #9
    bigbuck12345
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    mine is done

    Hey Guys And Girls,i Have Tested This On My 08 Rxt-x And It Is Working Great,malvin Took My Pump And Did The Mod Last Week And I Have Been Testing It For A Few Days With Perfect Success, You Adjust It Just Like The Other Ones Jerry Has,come On!!!!!=d>
    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: 0515081914.jpg  Views: 163  Size: 75.6 KB  ID: 74058   Click image for larger version.  Name: 0521081706.jpg  Views: 146  Size: 98.6 KB  ID: 74059   Click image for larger version.  Name: 0521081758.jpg  Views: 137  Size: 75.4 KB  ID: 74060   Click image for larger version.  Name: 0521081708.jpg  Views: 456  Size: 87.7 KB  ID: 74061   Click image for larger version.  Name: 0517081634.jpg  Views: 129  Size: 74.4 KB  ID: 74062  
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  10. 05-21-2008, 09:41 PM #10
    TURBO TECH P.R.
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    nice pics terry,i like the sticker on your rxt hood!
    Quote Originally Posted by bigbuck12345 View Post
    Hey Guys And Girls,i Have Tested This On My 08 Rxt-x And It Is Working Great,malvin Took My Pump And Did The Mod Last Week And I Have Been Testing It For A Few Days With Perfect Success, You Adjust It Just Like The Other Ones Jerry Has,come On!!!!!=d>
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