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  1. #1

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    2006 rxt with modified ecu upgrade

    I know 06' was an odd year for seadoo so im looking for more suggestions before i proceed. The rxt that we are doing a build on is a 2006 with upgraded 255 charger and injectors. I have an rotax racing ecu 8900 rpm limit from a 2008 rxt-x that i am wanting to install. Will it be okay to install on my 06?


  2. #2
    Got Boost? psycho rxp's Avatar
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    Only an 06' year ECU will work for that year.

  3. #3
    boost junkie skidoochris's Avatar
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    just flash the 06 ecu

  4. #4

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    That's what I planned on doing if the 08 ECU was not compatible. I will go with that instead.

  5. #5

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    Is the ET 137 +4 the way to go now or better to just stay with the new 255 charger we bought?

  6. #6
    boost junkie skidoochris's Avatar
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    more boost is always "better" .......lol

  7. #7

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    So basically just throw the ET 137 into an empty SC housing that I have and run it with the 50lb injectors? Or do I need to do more?

  8. #8

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    Ski has a Riva Stage I kit installed. Will impeller have to be changed?

  9. #9
    Got Boost? psycho rxp's Avatar
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    Quote Originally Posted by Edmonds View Post
    So basically just throw the ET 137 into an empty SC housing that I have and run it with the 50lb injectors? Or do I need to do more?
    You should always have a way to monitor AFR's
    May need a RRFPR or a fuel controller (Like a CMD)
    Prop for your mods
    Lightened valvetrain if running over 8650 RPM (at least retainers)
    More boost creates more heat, A better Intercooler will help

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