Impellor chart question.
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Impellor chart question.

  1. #1
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    Default Impellor chart question.

    Can anyone tell me if a tight pump reads differently on a impeller chart than a loose one as far as H.P. goes. Also does it change if there is a stuffer installed.

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  3. #2
    Senior Member ugly duck's Avatar
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    it will make a difference (both) how efficient your pump is and if its properly loaded vs cavitating as far as a chart that factors that i haven't seen one not to say theirs not one out there
    (GN7)Just a simple waste of perfectly good sour mash. If you need a fuel, use something that will poison you, not something that makes you buzzed.

  4. #3
    Senior Member Mash on It's Avatar
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    A tight pump WILL take more hp to run
    Lost 350-400 rpm after rebuilding the pump and detailing the ss impeller, gained better holeshot, top speed about the same.
    Thats on my JUNK

    Thats all I got
    Daniel
    Mash on it

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  6. #4
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    Thanks. Was just wondering. Had my motor rebuilt and pump gone thru a stage 2 with stuffer. Hole shot and acceleration great. Top increased some. Big ole "AA' SS imp. Just when I referenced the chart it had less H.P. than Before the rebuild.

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