[Pearly72]

Originally Posted by rpmerf

17056234

170 - 76+
56 - 1976
2 - 49 state emissions
3 - Cadillac
4 - Automatic transmission

Don't know what help this is.
http://www.corvettefaq.com/c3/QJetTuningPaper.doc
Can't see the pictures, but I am at work, so they might be blocked.

After getting a better picture, the 7th number is a 6: Pontiac (maybe on a 76 or 77). I'll have to look at the ports for the bumps, but probably an 800cfm?

Thank you for the decode link.