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    1. 10-07-2010 #1
      BumpaD_Z28
      BumpaD_Z28 is offline Registered User
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      Alternator brackets Q? .. Difference in dimension

      So I'm fighting an Alternator belt squeal at upper RPM's (about 4600-5400 redline) on my BBC in a 1967 Camaro. Alternator is mounted top of passenger side head (69+ style NOT 67 location), with a CHEAP chrome bracket on top, and the factory mounts for the rest ...

      I already have a tried a HUGE pulley on it (5") too slow it down and that didn't do the trick ...

      Question is between these too aftermarket brackets there is a 3/32" rear spacers dimension difference ???

      .. I'm thinking that the MARCH one would put my belt "slightly" more inline as it look just barely too far forward now

      March:
      http://www.marchperf.com/instruction...nstuctions.pdf

      Billet Spec:
      http://www.billetspecialties.com/assets/pdf/754.pdf

      THOUGHTS ?

      THANKS! ~DaVe
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    2. 10-09-2010 #2
      BumpaD_Z28
      BumpaD_Z28 is offline Registered User
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      DaVe

      chirp, chirp, chirp ...

      Ok so does anyone run anything besides stock alternator brackets ?

      ~DaVe
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    3. 10-09-2010 #3
      MrQuick's Avatar
      MrQuick
      MrQuick is offline Registered User
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      how is your belt angles and gaps? pictures?

      MrQuick ΜΟΛ'ΩΝ ΛΑΒ'Ε

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    5. 10-10-2010 #4
      Lowend's Avatar
      Lowend
      Lowend is offline Registered User
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      The real problem is probably flex. Those chrome cheapie brackets flex a lot when you stress them.
      The best brackets I have found (by far) are Alan Grove
      http://www.alangrovecomponents.com/Catalog.htm
      1971 Camaro, 383 stroker ~500HP,M21 Trans with lightened flywheel. All Sorts of Auto-x Goodness in the Suspension. 12" Brakes ->SOLD

      But ask me about my 2004 STi Auto-x car...

      Just call me Brett
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    6. 10-12-2010 #5
      BumpaD_Z28
      BumpaD_Z28 is offline Registered User
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      Quote Originally Posted by MrQuick View Post
      how is your belt angles and gaps? pictures?
      Well I don't have pics yet, BUT I do think FLEX maybe the issue as mentioned above ...

      I ended up ordering the SUMMIT brand (cheaper) after talking to their tech line they gave me a confirmation on the 3.25" dimension ...

      http://static.summitracing.com/globa...sum-420102.pdf

      Hopefully we will see how it works by the end of the week

      ~DaVe
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    7. 10-18-2010 #6
      BumpaD_Z28
      BumpaD_Z28 is offline Registered User
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      Well I'm happy this summit bracket and a 7480 belt from checkers and no more belt squeal, now I need a lower RPM module in the MSD as I'm not short shifting for the belt, and the BB doesn't really have the parts to get the 6k chip ;)



      ~DaVe
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