67 Dart Post Project

No kidding man, sweet find!!!
Awesome project you've got going on!!
You're gonna need to do quite some homework and find people you trust to help you and where to get quality parts but cheap since you'll need quite a few....

I'll share this with you since it's been my go-to reference over the past 4 years - hope it'll help you!!
http://www.classicdiscountparts.com/servlet/the-A--fdsh--B--fdsh--E-dsh-Body/Categories

Good luck buddy!!