This barn-find 1970 Chevelle SS396 L78 became what its own uploader calls a national phenomenon — and the comment section proves why. A former GM Van Nuys assembly-line worker shows up to confirm engine codes and casting numbers firsthand, while other commenters trade stories about factory build sheets hidden inside seat cushions. The walkaround is technical by design, built for buyers who need to tell a genuine numbers-matching SS396 from a clone.
