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1. 

   Joined: Feb 25, 2022
   Posts: 68

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   Codizzle

   Member

   from Choctaw, OK

   Can someone help me with what this port is for? Offenhauser 1080 , 2x2 Stromberg 97s, Cadillac 390...
   
   Thanks!
   

    

   Last edited by a moderator: May 28, 2024

   Codizzle, May 28, 2024

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2. 

   Joined: Apr 11, 2001
   Posts: 37,367

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   Moriarity

   SUPER MODERATOR

   from Mound, Mn USA

   Staff Member

   Could be for vacuum advance or vacuum wipers. You have the intake on backwards. If that matters to you

    

   Moriarity, May 28, 2024

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3. 

   Joined: Feb 25, 2022
   Posts: 68

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   Codizzle

   Member

   from Choctaw, OK

   Thanks. Yeah was just sat up up there.

    

   Codizzle, May 28, 2024

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4. 

   Joined: Feb 7, 2007
   Posts: 742

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   skooch

   Member

   from Springville CA

   That’s the exact spot I drilled and tapped my olds manifold for vacuum.

    

   skooch, May 28, 2024

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