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Art, I've seen this once and heard of it at least once here on the board.
To visualize the effect, I had to make a sketch, slice it vertically, then invert the outer half and hold it up to a light.
If I got it right, the outer upper cylinder is OK, but its bleeder will appear to be for the outer lower (since it should really be a lower cylinder on the other side of the car). As a result, the the 2 upper cylinders and passages are as they should be — in the form of an inverted "U", but with an extra bleeder low at the outside, connected to the (now) upward leading passage. In bleeding from that misplaced "lower" bleeder, you will actually be drawing fluid from the upper circuit, thus screwing up the assumed bleed sequence.
The real problem is that there will be NO Bleeder for the outer lower cylinder. The only bleeder for the upright "U" formed by the two lower cylinders/passages is the normal one on the inside. This leaves X amount of unbleedable air space leading to the lower outer cylinder.
Now get out pencil and paper...
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Bruce Young
'93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.
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