dpep
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Your first thought was correct. What I assumed was a lip at the bottom of the port for the gasket to mate against was in fact the old gasket so melted/crushed into the engine and covered with soot that it appeared to be one continuous piece of metal, nary a seam visible anywhere. Take a look at #1 port in the picture in post 12 above. There is actually a gasket in there.That was my first thought, that you didn't notice the old gasket ring in there and put another one on top of it. You had the shims correct from the beginning. Like you said there's really only one way they will work, and it aint rocket science.
I'm not sure if that is my only problem. It still doesn't look like the outside flange on the middle pipes are going to flush up with the engine, but maybe they don't have to. If I put the cullet halves back where I (and Haynes) originally had them that should give me just about the same distance, flange to end of pipe, on the middle pipes as the outside ones.Close anyway,
The cullet halves were evidently a red herring.
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