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  1. #1
    Big K's son KeithKman's Avatar
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    Top speed on this setup?

    I'm debating if I should sell my car and build up my 2004 RXP. With the mods in my signature along with the following, what would my top speed be around?

    - Rude
    - RRFPR
    - XS Inter-cooler
    - Shorty water box
    - 4 inch air
    - 15/20 prop

    Thanks.


  2. #2
    V-Tec, 4-Tech that's how I roll meirvin's Avatar
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    im gonna say 77-78 most likely but 80 with some great tuning

  3. #3
    I AM A VERMIN icerat4's Avatar
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    77-78 My Guess Too.=d>

  4. #4
    Moderator Snoman's Avatar
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    Alot of things come into play when comparing mods to speed ratio..But for the most part i would think you should see between 76 and 78 mph...

  5. #5
    Big K's son KeithKman's Avatar
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    Awesome. The pull low to top should be night and day difference, correct?

  6. #6
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    Quote Originally Posted by KeithKman View Post
    Awesome. The pull low to top should be night and day difference, correct?


    YUP!

    When you go out for the first time, you will most likely be on that rev limiter. Do a us a BIG FAVOR, and note where your throttle position is when you hit 8100...Then we'll be able to tell you about how much pitch to work that prop...

  7. #7
    Big K's son KeithKman's Avatar
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    Quote Originally Posted by Danny View Post
    YUP!

    When you go out for the first time, you will most likely be on that rev limiter. Do a us a BIG FAVOR, and note where your throttle position is when you hit 8100...Then we'll be able to tell you about how much pitch to work that prop...
    Cool. I also have the riva nozzle so I can fine tune with that also.

    Will the 15/20 be a good prop for this setup? Should I run a 3 blade 15/19?

  8. #8
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    Quote Originally Posted by KeithKman View Post
    Cool. I also have the riva nozzle so I can fine tune with that also.

    Will the 15/20 be a good prop for this setup? Should I run a 3 blade 15/19?

    If you want to accelerate HARD, the 15/19...
    If you want top end, the 15/20...

    Depending on final tune, the top end on either will be within 1-2mph...but acceleration is night/day...

  9. #9
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by KeithKman View Post
    I'm debating if I should sell my car and build up my 2004 RXP
    Your gonna sell your car for a 6-7 MPH gain on your ski

  10. #10
    Big K's son KeithKman's Avatar
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    Quote Originally Posted by bigdaddyRXP View Post
    Your gonna sell your car for a 6-7 MPH gain on your ski
    I have an expedition and a Camaro. I put 1,700 miles on the camaro in the last two years. I don't drive it, it just sits. I figured I would start another project and have some fun. I enjoy riding more than anything anyways.

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