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  1. #1

    Join Date
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    Need more speed! any ideas?

    I have a 2006 Speedster 215hp with Xcharger. 42lbs injectors, 4" intake, Fizzle intercooler, Solas 14/19R prop, complete 08 exhaust, I think that is it. That last time I had it out I GPS it and got 58mph with 3/4 tank gas. It looks like I'm getting close to 8k rpm's but hard to say because it's not digital.

    Does anyone have any ideas what to do to get a little more out of it? I would like to get maybe 2mph more out of it. Do you think I need to do something with the prop?

    Thanks
    Last edited by joewharton2; 05-11-2012 at 05:10 PM.


  2. #2

    Join Date
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    nobody has any input?

  3. #3

    Join Date
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    cold spring NY
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    58
    How come you went to a 2008 exhaust

  4. #4

    Join Date
    Jul 2008
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    cold spring NY
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    I was thinking of trying a RIVA pro series water box.
    You should try the RIVA XX SC impeller and housing

  5. #5

    Join Date
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    had problem with the J pipe and had the 08 stuff.

    Quote Originally Posted by john12 View Post
    How come you went to a 2008 exhaust

  6. #6
    cigarlust's Avatar
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    If you are running an x-charger, 42lb injectors, 4 in air intake and intercooler... I've heard you are playing with a time bomb not using a rrfp...


    I think the cheapest thing for you to do would be to look in the online store and look at the ECU handheld tuner ($700?), I think that would let you take care of any fueling issues and let your engine make a little more power. I wouldn't try to push it much further, you'll start spending big bucks to go any faster and start killing your reliabilty.

  7. #7

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    did some more things and lost speed...added Riva RRFPR and a Riva RXPX intake grate. I'm getting about 55mph on the gps still turning about 8K. Could the intake grate slow me down that much?

  8. #8
    cigarlust's Avatar
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    It's alot of drag.... swap it back and see...

  9. #9

    Join Date
    Jul 2011
    Location
    Ct
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    Have you checked your AFR at full throttle

  10. #10

    Join Date
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    Quote Originally Posted by Twinstang View Post
    Have you checked your AFR at full throttle
    no I haven't

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