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Thread: BBC heads, I have a question.
          
   
   

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  1. 12-10-2008 04:28 PM #1
    maddddog
    maddddog is offline CHR Member
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    Nov 2006
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    woodland hills Ca
    Car Year, Make, Model: 46 Chevy Truck
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    211

    BBC heads, I have a question.

     



    I didnt notice that the ports on my tunnel ram were different sizes till this morning and its been bugging me all day.
    I was planing to use this intake on my 454 but I have not yet taken the intake off the motor so I dont know what the ports look like on the heads.
    I also have another pair of heads from a 396 or 427 that have all the same size ports.

    I am confused. Why are the ports different sizes?
    Is this some kind of special manifold?

    Thanks
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