Just for clarity sake. If you have a corvette, you need to go directly through NCRS to order the data report.
https://www.ncrs.org/services/prod/s...=shipping_data Money hungry NCRS forces you to join NCRS in order to then order the NCRS report. Chevy Muscle Docs who in essence is NCRS:
https://www.chevymuscledocs.com/. Provides the same information for Chevelle, Nova, Camaro without having to join NCRS
So, best bet if you have a corvette and not a member of NCRS , is to find a friend who is a member and ask them to request the report for you and give them the $50.00
Paul