HP gain

Discussion in 'PSI Superchargers Tech Questions' started by dragster156, Feb 24, 2020.

  1. dragster156

    dragster156 Member

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    as a rule of thumb, is there any proven data to say that, all things the same, if blower picks up 2 lbs of boost it equates to 100hp or ?? Therefor if it picks up 4 lbs does it basically stay same and now pick up 200hp or ??
     
    #1
    dragster156, Feb 24, 2020
  2. Critical Mass

    Critical Mass Member

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    It's usually 1 psi will produce 100 hp.
     
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    Critical Mass, Feb 24, 2020
    dragster156 likes this.
  3. jay70cuda

    jay70cuda Well-Known Member

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    I found that number of 1 lb per 100hp on only these higher end 14/71 blower at low od. I've seen some make 6 lbs more at higher over drive but the heat it created it didn't pick up at all. Even after leaning hard on it. The intake temp was just too hot.
     
    #3
    jay70cuda, Feb 24, 2020
  4. kosky racing

    kosky racing Comp Eliminator

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    But with a screw this is generally true
     
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    kosky racing, Feb 24, 2020
  5. Mike Canter

    Mike Canter Top Dragster
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    It depends on how much horsepower you are making. If you make 2000 hp and increase by one pound the amount gained will be less than what is gained on a 3000 hp motor providing the AFR is correct. There is a way to actually accurately compute it.
     
    #5
    Mike Canter, Feb 24, 2020

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