Replaced the driver side motor mount. It ain't a stock truck though. I swapped in a 302 a while back. The mount I used was a used mount and it quit me. I put the new one in and it made the motor set too low. I had to move the mount up a inch and a half then make a new mounting plate that bolts to the motor. WIt was a bit of a pain in the butt but now it's done. I also put the tension spring on my 4wd shifter.
87 extra cab-short bed, SAS D44/9", 5.0 lots of others but that's the basic stuff.