Located on a plate attached to the right hand side of the firewall. The first five numbers is the model number
80337 - Monaro Coupe 80737
- Monaro GTS Coupe
81837
- Monaro GTS 327 Coupe
HK Monaro Coupe HK Monaro GTS Coupe
HK did not distinguish between 186s and 307 for GTS The next two digits are a letter/number combination indicating the plant at which the
vehicle was built.
H1-H4 - Brisbane
H5-H9 - Sydney
J1-J9 - Melbourne
L1-L5 - Adelaide L6-L9 - Perth The remaining five numbers is the vehicle serial number represent the sequence in which the vehicle was built at that particular plant.