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Are these holes SUPPOSED to be there?

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  • Are these holes SUPPOSED to be there?

    Ok I tore my 3400 down to the block, right above the cam the metal looks as though it is erroded. Is the block cast that way?

    I'll post pictures in a second.

  • #2
    Not a great pic of the valley, but this is what it normally looks like (I was taking a pic of the new lower manifold gasket)....

    -Brad-
    89 Mustang : Future 60V6 Power
    sigpic
    Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog

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    • #3
      Ah- that's how it looks. Edges are alot rougher though.

      Thanks man!

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      • #4
        I just got home, so I dediced to try to take a better picture...

        -Brad-
        89 Mustang : Future 60V6 Power
        sigpic
        Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog

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        • #5
          the holes are for oil return, the rest is just casting flash.
          Colin
          92 Sunbird GT, 3200 Hybrid 13.99@ 95.22 (2004)
          90 Eagle Talon TSi AWD 10.54 @ 129mph.

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          • #6
            thats the first thing you attack with the die grinder when cleaning up a block, just casting crap left behind.
            I modify stuff

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