I'm having trouble with this. The entire bracket appears to be held in to the floor. Perhaps you could take a look at these pictures and point me in the right direction. I appreciate you taking the time to help me. I hate having the truck parked in the driveway where it can be stolen, but until I can get it running I'm kinda stuck

http://i131.photobucket.com/albums/...1-4958-B818-C1BE4E788900_zpsxvsmyyy5.jpg

http://i131.photobucket.com/albums/...B-4A34-91D7-F21B5A50AFB6_zps1z1cskve.jpg

And the new one ready to install:
http://i131.photobucket.com/albums/...6-49B0-B01F-3FBD13AD7DB9_zpskfrqxlwx.jpg


1950 Chevy 3600 w/ 54 235 motor