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  1. #1
    chuck's Avatar
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    bigger intank fuel pump

    some pics of fuel pump for my turbo gprxp.
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  2. #2
    Juan's Avatar
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    good job Chuck

  3. #3
    seadoor's Avatar
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    great job

  4. #4
    chuck's Avatar
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    more pics
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  5. #5
    Would this allow you to run more boost on a rrfpr since the stock fuel pump is capped at i believe 78psi.

  6. #6
    cbrich's Avatar
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    If you are maxing out the pressure on the pump, it's time to start looking at flow, larger injectors, and adjusting fuel maps (injector pulse width).

  7. #7
    Basically from what i have read Jerry stated that running the Riva ecu with 50lb injectors and a rrfpr, 20psi was the most he would run to be on the safe side. I'm wondering if you put bigger injectors how would the ski react at idle or low rpm. Due to the fact that the mapping on the Riva ecu is for 50lb injectors. Would the ski run rich?

  8. #8
    cbrich's Avatar
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    you would have to adjust injector pulse width, how long the injector stays open. I have seen a camaro running 2 Walbro fuel pumps because 1 was not enough for the beast. 255 L/hr x 2 = 134 gal/hr. This was back in 2000 when I saw this camaro.

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