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  1. #1

    42/50 injectors, RRFPR, stock ecu ?s

    I am building a stock ecu turbo ski w/ a big turbo-- is anybody running:

    50s w/ RRFPR and stock ecu?? base pressure? AFR??

    42s w/ RRFPR and stock ecu?? base pressure? AFR??

    How is the idle? How much boost will each be good up to? I will have an AEM wideband on it to moniter AFR. Just trying to get an idea on the setup. Thanks in advance!!


  2. #2
    JESUS G's Avatar
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    Hi , I tested both injectors, with 42 you get a faster response and you can run safety at 16Psi without problems.

  3. #3
    thanks- stock ecu? w/ just fpr?

  4. #4
    JESUS G's Avatar
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    Sorry , i tested with Riva ECU, i think with Stock ECU you can run with 42 only, 50 Lb it´s too high to run with stock Ecu..

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