Miles, here are the vin's and engine #'s on my 3-Z 600 coupes.
1969 Z600 (Right hand drive)
Vin ZXXX-XXX-XXXX
Eng A600E-1024765
1972 Z600 (was orange-now blue)
Vin AZ600E-1010594
Eng A600E-2507523
1972 Z600 (Yellow)
Vin AZXXX-XXX-XXXX
Eng N600E-25060065
Curtis Martin
Lancaster, Ca 94534