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A circle over a rectangle = swirling ??

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  • A circle over a rectangle = swirling ??

    I probably know the answer but want to confirm my thought...

    I have flanges with 1 3/4 openings and 1 3/4 od tubing. I am building a manifold for my ohv six and its head has rectangular ports that are about 1 x 1 1/2.

    My thought is I can get by with round tubes over rectangular ports but it will work a whole lot better with rectangular tubes matched to rectangular ports, just need to find or chop a tube to the right dimension.

    Just because I can build it does not mean I know the physics of gases or flow, it never hurts to sk

    Jeff T.

    Jeff T.

    "I'm getting nowhere as fast as I can"
    The Replacements.
    \"I\'m getting nowhere as fast as I can\"
    The Replacements.

  • #2
    Since the factory went with rectangle runners into rectangle ports, I would use tubing made to match. [^]

    StudeRich
    StudeRich
    Second Generation Stude Driver,
    Proud '54 Starliner Owner

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    • #3
      Or you could blacksmith the tubing to be rectangular....Not an easy task, but possible.

      [img=left]http://www.alink.com/personal/tbredehoft/Avatar1.jpg[/img=left]
      Tom Bredehoft
      '53 Commander Coupe (since 1959)
      '55 President (6H Y6) State Sedan
      ....On the road, again....
      '05 Legacy Ltd Wagon
      All Indiana built cars

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