Exhausted Demon Frustration

Ran into some major brick walls in putting together a basket case Demon and need some help. ](*,)

Is there a difference in k members from one year 67-76 A body, automatic vs 4 speed, or difference in Slant 6 vs V8 steering boxes? CANNOT GET EVEN TTI's TO FIT!!!

Have a 72 /6 Demon automatic bought from someone that was in the middle of converting it to a 340 4 Speed. Floor pan changed. Owner said it had the new K member and "all" the parts needed. Wrong... Here's just a few of the many things I have run into-

*bell housing was from a 276 Commando, got the right bell housing

*tried to put engine in- wrong k member, pulled it and put in the right V8 K member

*tried again with a set of headers- ran into steering box/arm, spent the money and got TTI headers (ouch)

*tried again with the TTI's and same problem- ran into power steering box and arm. Engine won't drop into motor mount holes in frame. Hangs up on the p/s arm and box.

*pulled steering box, looked at a 70 Swinger and the box bolt holes are in different locations on the K member. Current steering box cast #2267262.
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Does anyone have any information on this, or ran into this before? TTI's should clear, but won't. Any help would be greatly appreciated! dheller@chartercom.com