74 Dart Sport. Hedman Header Hell.

You don't need to remove the torsion bar. I have the same ones and if the filter is off, the eng/trans brace removed, and engine lifted, it will fit. Here are some pictures of mine if it helps. As you can see, it's tight.
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I removed the filter, and that brace, I guess all I can do is jack the thing up even higher than before, starts getting pretty sketchy once I go past a certain point though.