bottom blower pulley bolt pattern ??

Discussion in 'PSI Superchargers Tech Questions' started by turbo69camaro, Jul 30, 2013.

  1. turbo69camaro

    turbo69camaro Member

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    Anyone have a drawing or know what the bolt circle and what is the location of the offset hole or are they all the same now its a 11mm 68 tooth off a screw pro mod i am putting in steel sleeves in the worn holes and what the I.D of the hub is
     
    #1
    turbo69camaro, Jul 30, 2013
  2. HootersFunnyCar

    HootersFunnyCar Member

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    The bolt pattern is 1.391 radius or 2.782 Diameter. Not sure of the centre hole but check out an old RCD catalog or maybe their web site for that info.
     
    #2
    HootersFunnyCar, Jul 31, 2013
  3. turbo69camaro

    turbo69camaro Member

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    Thanks Robert lol last time i ran a blower it had a offset hole
     
    #3
    turbo69camaro, Jul 31, 2013
  4. secondwindracing

    secondwindracing top alcohol

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    you need to set it up on a divider head or a spindex
     
    #4
    secondwindracing, Aug 1, 2013
  5. turbo69camaro

    turbo69camaro Member

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    triged out pattern and dialed it off on my DRO used .500 058 wall 4130 tube for the bushings
     
    #5
    turbo69camaro, Aug 1, 2013

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