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    Results 1 to 7 of 7
    1. #1
      Join Date
      Feb 2006
      Location
      Southeast Louisiana
      Posts
      104

      Double Hump Heads Question

      Does anyone know if a double hump head can be drilled and tapped to accept an alternator bracket that mounts to the head and water pump? I currently have one of those nasty long skinny brackets that is impossible to line up correctly. I've been told that you can't drill and tap them because of the water jackets. Does anyone know?



    2. #2
      Join Date
      Sep 2002
      Location
      San Jose, CA
      Posts
      1,793
      You run the risk of going into the water jacket if you tap them.
      Are you running a long or short waterpump?
      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

    3. #3
      Join Date
      Feb 2006
      Location
      Southeast Louisiana
      Posts
      104
      I'm running the long water pump.

    4. #4
      Join Date
      Sep 2002
      Location
      San Jose, CA
      Posts
      1,793
      I've gotta bust out my favorite discovery in the hot rod world again
      http://alangrovecomponents.com/S.B.Long_Pump.htm
      You need
      PN 215RO
      and
      215R - ALT.
      $75 and the problem is solved

      You're welcome
      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

    5. #5
      Join Date
      Feb 2006
      Location
      Southeast Louisiana
      Posts
      104
      You are the man! Thanks for your help.

    6. #6
      Join Date
      Aug 2003
      Location
      Orlando, FL
      Posts
      8,745
      I have drilled them

    7. #7
      Join Date
      Feb 2006
      Location
      Southeast Louisiana
      Posts
      104
      Thanks for all the info. This is just a temporary fix until I get the 489 BBC built! I'm definitely going with the March serpentine system on the next motor...no matter what the cost.

      Chris




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