I guess GM is trying to boost their public image, they were charging for the restoration pac. Just recently they’ve given us access to the Heritage Center archives and put them up for down load in a PDF format.
http://www.gmheritagecenter.com/gm-heritage-archive/vehicle-information-kits.html Since I'm into the trucks, mainly the AD series, I spent the day last week downloading all the resto-pacs for that series and then figured what the heck, I might as well add all from 1930-2000 incase I ever wanted to compair specs.
Denny Graham
Sandwich, IL