Uh Oh..That looks like code 26 Mulsanne Blue metallic to me.
Fathom Blue metallic is code 28,and is a lil darker compared to it.
Ask your jobber what paint formula he used and double check it against this..
1970 COLORS
I'm not a Nova guru,but I might be able to help on your L-78 engine details.
Can you email pics to me at
[email protected]