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Thread: Riva Stage II

  1. #1
    Kristian Keppel Waterholics's Avatar
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    Riva Stage II

    Finally they released the RIVA Stage II but with no impeller. What would be the best impeller for this type of setup??????
    BTW here is the link to the stage 2......
    http://www.4-tecperformance.com/inde...oducts_id=1541
    Just absolutely love that we can run up to 17psi of boost now on Stock ecu. This kit was greatly awaited and it's finally here.lol


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  3. #3
    Taking money away from the Z06 Fund
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    Quote Originally Posted by Waterholics View Post
    Finally they released the RIVA Stage II but with no impeller. What would be the best impeller for this type of setup??????
    BTW here is the link to the stage 2......
    http://www.4-tecperformance.com/index.php?main_page=product_info&cPath=16_82_104&p roducts_id=1541
    Just absolutely love that we can run up to 17psi of boost now on Stock ecu. This kit was greatly awaited and it's finally here.lol
    Good info. Looks like they are using this to get around the boost limit, but still stock RPM limit and stock ECU:

    http://www.4-tecperformance.com/index.php?main_page=product_info&cPath=16_82_163&p roducts_id=1538

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    Kristian Keppel Waterholics's Avatar
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    Quote Originally Posted by poof100 View Post
    Good info. Looks like they are using this to get around the boost limit, but still stock RPM limit and stock ECU:

    http://www.4-tecperformance.com/index.php?main_page=product_info&cPath=16_82_163&p roducts_id=1538
    The second best part about this kit besides the boost override is the price only $2,200 to get that kind of power is unbelievable.

  5. #5
    What top speed can you get with this kind of hp? (260)

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    I'd be curious to see the speeds as well, with the stock RPM limit, and the upgraded Stock IC with additional cooling. I would guess 77 maybe, although the E1 is big.

  7. #7
    I think 77 is too much because the kit for 304hp gives a top speed of 80.6 mph
    Here is a link of the video

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    MPower's Avatar
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    You will never see 17 psi with an E1 at 7600 RPM.

    The other issue is a prop that will work with this kit. You need a big ass prop to keep that kind of power in check below 7600 RPM. Earlier this year there was no prop that could even be used with a B1 wheel without banging the limiter at just over half throttle. So it is interesting they're using the E1 which will make it even harder. 160mm liner or twin prop possibly as the solution?

    Not to mention that boost clamp is $475, jesus. You can have a reflash for $750 that puts the ski in another world and allows you so many more options.

  9. #9
    Quote Originally Posted by MPower View Post
    You will never see 17 psi with an E1 at 7600 RPM.
    Not to mention that boost clamp is $475, jesus. You can have a reflash for $750 that puts the ski in another world and allows you so many more options.
    +100

  10. #10
    Kristian Keppel Waterholics's Avatar
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    Quote Originally Posted by MPower View Post
    You will never see 17 psi with an E1 at 7600 RPM.

    The other issue is a prop that will work with this kit. You need a big ass prop to keep that kind of power in check below 7600 RPM. Earlier this year there was no prop that could even be used with a B1 wheel without banging the limiter at just over half throttle. So it is interesting they're using the E1 which will make it even harder. 160mm liner or twin prop possibly as the solution?

    Not to mention that boost clamp is $475, jesus. You can have a reflash for $750 that puts the ski in another world and allows you so many more options.
    +1 This makes alot of sense but if in the future you want to upgrade to a Vi-Pec or Motec it will be easier on the wallet with the boost clamp.

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