Help/advice on hat spacers

Discussion in 'PSI Superchargers Tech Questions' started by Relentless, Mar 17, 2008.

  1. Relentless

    Relentless www.bretitanium.com

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    Want to fit one to car, are there any better than others, will be fitting to a K9 Kobelco hi helix, 10.5" opening.

    2 or 3 inch?

    Spinning blower at 15%

    511 cu in donovan chevy

    OR if anyone has plans/good photos of any I can make one....

    email if can help

    info@bennettracing.co.uk

    thanks
     
    #1
    Relentless, Mar 17, 2008
  2. promodracer

    promodracer Member

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    spacer

    dmpe is the place, google it.
    They have what you need.
     
    #2
    promodracer, Mar 21, 2008
  3. underby6

    underby6 Active Member

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    I have to say the ERD spacer is a great piece. We've ran it for about a year, money well spent. You can get them at www.rbssuperchargers.com. The DMPE spacer is also nice, and alot less expensive. Check them out at www.dmpeinc.com.

    Brandon
     
    #3
    underby6, Mar 22, 2008
  4. AFC357

    AFC357 New Member

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    I have a DMPE spacer For Sale if interested!
     
    #4
    AFC357, Mar 23, 2008
  5. Mike Canter

    Mike Canter Top Dragster
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    Spacers should be matched to the bottom exit of the hat and to the top opening of the blower to make sure you have the smoothest flow and transition of air into the blower. A lot of times your hat will not match the blower opening. If the hat opening is bigger than the blower opening you will have a ledge and will mess up the airflow. If the hat exit is smaller than the blower opening then you are not taking full advantage of the blower. If you trace the bottom of the hat on paper and trace the top of the blower on paper then Darren Mayer of DMPE will custom fit your spacer to your application for around $550. Be careful of standard off the shelf spacers and make sure they will fit your application. Have some return policy worked out before you buy one in case it doesn't match your setup..

    Spacers can be good for 60-100 HP gain depending on how good or bad your current fit is. The spacer allows the hat to move up and forward to straighten out the airflow from the butterflies to the back of the rotors.
     
    #5
    Mike Canter, Mar 23, 2008

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