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  1. #1

    will 42# injectors help me?

    My 04 RXP has RR charger wheel, 15/20 solas, Riva intake. Looking for something else to do without spending a ton or losing reliability. It runs 72.6 mph now. Can I go to bigger injectors w/o needing a new ECU? Or will they not work with the stock ECU? Anything else that's fairly easy and don't need a mortgage for?


  2. #2
    Site Admin Green Hulk's Avatar
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    There is no need to run larger injectors with your setup.

    Your next step in performance would be an intercooler kit. The fizzle kit will get you the performance you need without breaking the bank
    http://www.4-tecperformance.com/inde...roducts_id=983

  3. #3
    Thanks. Still cheaper than trading for an X.

  4. #4
    West Texas RXP skoepp's Avatar
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    nothing wrong with an 04, I agree with GH, fizzle ic mod money well spent.

  5. #5

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    Quote Originally Posted by skoepp View Post
    nothing wrong with an 04, I agree with GH, fizzle ic mod money well spent.
    You can say that again. My 04 yesterday ran 73+ with bacis mods for stock class racing with 200 hours.

  6. #6
    Quote Originally Posted by skoepp View Post
    nothing wrong with an 04, I agree with GH, fizzle ic mod money well spent.
    My '04 rips pretty damn good too. XS IC kit is a wonderful addition, you will not be disappointed with it if you choose to go that route!

  7. #7
    speedskixp's Avatar
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    Quote Originally Posted by RXP-REX View Post
    XS IC kit is a wonderful addition, you will not be disappointed with it if you choose to go that route!
    I agree , and you will need 42s if you go with the IC.

  8. #8
    Quote Originally Posted by speedskixp View Post
    I agree , and you will need 42s if you go with the IC.
    Yep, dont forget that!

  9. #9
    blowbyu's Avatar
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    Anyone have old data for what the AFR is with these mods:

    42 Injectors
    RR wheel
    After Market intercooler

    -Robert

  10. #10
    JESUS G's Avatar
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    Anyway if you go external IC or not, you can use 42Lb injectors. I have tested and works perfect.

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