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  1. #1
    RNX's Avatar
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    Rude Charger HP?

    Hi, does anyone know how much horse power approximately makes Rude Charger in stage III RXP boat?


  2. #2

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    Ok, I'll bite. My guess is 280 hp.

    Stock: 208 hp
    Add air intake (S1 @ 8 psi): 215 hp
    Add intercooler and minor wheel upgrade (S2 @ 9 psi): 235 hp
    Add S3 charger (11 psi) and increase rev limiter: 255 hp, even though the riva dyno says 290+. That number just doesn't add up. The X is similar to this (more boost but less rpm) and makes 255 hp.
    Add Rude (13 psi): 280 hp.

    With any of the current superchargers offered (even up to the C kit), I don't see the power going over 300 hp without aftermarket cams, head porting, or big bore/strokers. That's the mathematical limit.

    Mike
    Last edited by engineermike; 08-04-2008 at 09:17 AM.

  3. #3
    speedskixp's Avatar
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    On a stage 3 I would say closer to 300. Every pound of boost is 10 to 15 hp. Ecu usually adds 20 to 30. external IC adds 10 or 15. The rude charger is about 7lbs over stock. Stock hp is about 208+70 for the extra boost+10 for IC +20 for ecu.

  4. #4
    ...Lighting The Water On Fire Since '04 duramaxxed's Avatar
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    I bet if you add the Black Magic Header to all that (minus: aftermarket cam, head porting, or big bore/stroker.) you'll be at or above 300hp. And also the Gibson, no Exhaust work at all was mentioned in above posts.

  5. #5
    RNX's Avatar
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    i thought rude is about 330 HP Nevermind that HP's, but i think i will see a huge difference going from green wheel to Rude

  6. #6
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by RNX View Post
    i thought rude is about 330 HP Nevermind that HP's, but i think i will see a huge difference going from green wheel to Rude
    huge difference.

  7. #7
    Powertek powertek's Avatar
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    What's the PSI of the Rude at 8700rpm??

  8. #8
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by powertek View Post
    What's the PSI of the Rude at 8700rpm??
    not sure but i see arround 12 psi at 8,100 in your type of weater with stock ecu. I have seen 12.1 to 12.2 before.
    I think that some see close to 14 psi at 8,500 rpm so i bet at 8,700 rpm would be close to 15 psi.
    Last edited by skoepp; 08-04-2008 at 02:01 PM.

  9. #9
    RNX's Avatar
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    I think it would be higher @ 8700 than your Race Tech wheel

  10. #10
    Powertek powertek's Avatar
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    Im getting 13.6 at 8650...I think thats pretty good

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