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  1. A

    Problem With HOWELL V4 Plans

    I've modeled the hole two different ways and got the same result. I can't figure out why some of us get one result and some get a different one.
  2. A

    Problem With HOWELL V4 Plans

    I did mine by using a 3D sketch. Its messy, but it should have worked. How did you do yours? Having an angle in the X and Y really messed with me.
  3. A

    Problem With HOWELL V4 Plans

    I am modeling the Howell V4 in cad, and I have run into a problem. The Cylinder Head has two threaded holes with a countersink that are right next to the holes for the Valve Cages. The countersink is connecting to the Valve Cage holes by a small bit, but its not suppose to. I've checked my...
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