Compresion Ratio

Discussion in 'Pit Buzz' started by Pipe Tools, Mar 12, 2007.

  1. Pipe Tools

    Pipe Tools New Member

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    What is the typical compression ratio for a competitive BAD in good air.
     
    #1
    Pipe Tools, Mar 12, 2007
  2. Crew

    Crew Volunteer

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    You need to read someone's copy of the PSI manual or buy one from them. It goes over all of the basics for a baseline on a Blown TAD.
     
    #2
    Crew, Mar 12, 2007
  3. eli

    eli Banned

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    10.5 to 1=== 11.6 to 1 / from the PSI book it also says, you should have .050 clearance from piston to head clearance, you realy should get a copy of the book and after you build the motor, get a Randy Anderson fuel system. ;)
     
    #3
    eli, Mar 12, 2007
  4. blwnaway

    blwnaway Member

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    How many guys run Randy's fuel systems?
     
    #4
    blwnaway, Mar 12, 2007
  5. eli

    eli Banned

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    you kidding i'll bet the IRS don't know that. LOL :rolleyes:
     
    #5
    eli, Mar 12, 2007
  6. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    comp

    I would guess low 10's in good air maybe less. I haven't played with 128 that much but I would bet some of the belt probs are associated to too much compression...
     
    #6
    Will Hanna, Mar 12, 2007
  7. Pipe Tools

    Pipe Tools New Member

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    Compression

    Will, no belt problems, how did testing go ?
     
    #7
    Pipe Tools, Mar 13, 2007
  8. Eric David Bru

    Eric David Bru Member

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    What is the website for PSI?
     
    #8
    Eric David Bru, Mar 13, 2007
  9. Bret Stilson

    Bret Stilson New Member

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    PSI website

    PSI web site: www.psisuperchargers.com
    Would love to get a copy of the manual! Comes with supercharger, I believe they charge $150.00 for it w/o purchase.
     
    #9
    Bret Stilson, Mar 13, 2007

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