I have a 67 Coronet that I changed the spinals on to convert to disk breaks. The spindals I used were off of a 73 dodge truck. After I put them on I went to have it lined and the alignment guy said that something was not right and it could not be aligned.
Am I missing something or have the wrong spindals need a different model or what?

 

Photos might help, with helping you with this issue... Not real sure whats up with your installation.

 

Truck spindle is totally the wrong part !!! You need some from a
Dodge dart 73-76 (A body) if you can find them..

 

exactly