Common Procomp crosswind intake manifold problem.

Forget the 273 head theory..
Just to clarify, I'm not asking for advice on what is wrong here. I know what is wrong. I'm just posting this so members can see the sort of problems you may encounter if you buy one of these..
Also the one I saw 7 years ago was on a 1974 360 with stock heads. The owner had bolted it on and never even realized that the bolts did not fit correctly.