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  1. #1

    Mod 04 stock rxp

    Hi every body!
    I am new here and had just bought a 04 RXP.
    From what I heard lately, I would like to upgrade my SC impeller and add a set of injectors and run athe stock ecu/intercooler.
    Which combo should should I go for?
    I had tried riva stage II and not very happy with its price / performance so I sold it.
    Could I expect more from Riva S3 impeller ?
    Should I opt for Riva #50 or RR #42 injectors with thiese big impellers?
    How about those cheaper Bosch injectors ?any good?
    Will adding a RR/Riva racing ecu with this combo make significant performance change when compare to stock ecu?
    I want to leave the engine alone, will using racing ecu risk engine reliability as mine is all stock?


  2. #2
    Matthew K ReDevilRXP's Avatar
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    I would look into getting a set of Jerrys steel washers on the sc before u do anything.

  3. #3
    I had just put in a new sc rebuild kit on my 60hrs rxp and I will replace with metal washer when I upgrade the SC impeller.

  4. #4
    Matthew K ReDevilRXP's Avatar
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    If you want to run a racing ecu it is a must to upgrade the valvetrain otherwise theres a a very high probability of floating a valve. And if you float a valve its gona cost an ass load to fix.

  5. #5
    I would go with the riva S3 sc impeller the injectors and ecu as there new ecu adjusts according to your boost which should give you some good power and dont forget metal washers

  6. #6
    Moderator RX951's Avatar
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    Welcome to the Forum

  7. #7
    Site Admin Green Hulk's Avatar
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    Welcome to the forum! If you are starting from scratch and already talking about adding Stage 3 type superchargers, ECU's, etc. you are better off jumping straight to the Stage 3 kit.
    http://www.4-tecperformance.com/inde...roducts_id=365

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