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Thread: X ecu or rrfpr

  1. #1
    pass1's Avatar
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    X ecu or rrfpr

    Hi guy's!

    Got a 2008 gtx 215hp with a few mods (stock x-charger and 42's).
    I'm currently installing a RR ''A'' kit wheel and spacer (11.5 psi) and external intercooler.
    I know I will have to add fuel but wondering if it is better to go with X-ecu (will it handle the ''A'' kit) or an rrfpr??
    By the way, I'm not planning to go bigger after that as the wife is also driving it and want to keep it ''turn key and go''.
    Thanks!!


  2. #2
    West Texas RXP skoepp's Avatar
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    Is that a 127 or 137 mm wheel?

    Never mind I see you have x charger, I am just not real familiar with there chargers.

  3. #3
    West Texas RXP skoepp's Avatar
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    I checked out seadoo centre website.
    Since you indicated it has a spacer I'm guess is the x SC upgrade.
    So if it is more boost then a x SC more then likley would be lean with x ecu only.

  4. #4
    monaroman76's Avatar
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    Just go with the rrfpr. It will work out cheaper and you will have the ability to fine tune.

  5. #5
    i hate my bipolar disorder its great
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    standard x charger is meant to be 10psi
    or so said mr seadoo center today when i got mine serviced

  6. #6
    i hate my bipolar disorder its great
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    also is there a rough guide to what psi certain injectors are good too... considering most engines have the same compression, camshafts, fuel pressure etc
    id imagine 42lbs run out of puff(max duty cycle) around 15psi? also when do you need to look at up grading the standard fuel pump?
    are these issues that need to be addressed by op

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    pass1's Avatar
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    Quote Originally Posted by skoepp View Post
    I checked out seadoo centre website.
    Since you indicated it has a spacer I'm guess is the x SC upgrade.
    So if it is more boost then a x SC more then likley would be lean with x ecu only.
    Yes it is the x charger upgrade.
    I was asking cause technically, the only difference between my gtx 215 and a stock x boat is the sc upgrade and I thaught it might be easier to go wuth the ecu and let him play with fuel mixture.

  8. #8
    i hate my bipolar disorder its great
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    x boat also has an external intercooler and different pump im lead to believe

  9. #9
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by pass1 View Post
    Yes it is the x charger upgrade.
    I was asking cause technically, the only difference between my gtx 215 and a stock x boat is the sc upgrade and I thaught it might be easier to go wuth the ecu and let him play with fuel mixture.
    Actually if you have a x charger with 42 then the difference is ecu and external intercooler.
    Why I was saying if that charger is a upgrade on x SC you could be lean with x ecu only.

  10. #10
    pass1's Avatar
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    So from what i can see, the best for me would be a rrfpr.

    My setup will then be:
    2008 gtx 215hp,
    stock 215 ecu,
    x-charger with RR ''A'' kit upgrade,
    bosh 42's,
    xs external intercooler,
    solas 15/20r prop.

    Let's say i'm keeping my 215 ecu, will only the rrfpr be enough to proprely tune my ski with that setup??

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