Thank you Denis. I had looked up as much as I could with a friend at a GM parts department on the old Microfish. That is how we came up with the odd engine code.
Hmmmm, anyone know where I can get some
SS 307 emblems

PS what does the "1" under the 6 indicate?
[Edited by BrianSS396 (11-25-2001 at 03:15 PM).]