Quote:

Was N97 a 1970 code or a 70-71 code?



N97 was used both in 1970 and 1971.

In 1971 you will also find N98 (Exhaust Emissions Standards Label) along with N97.

Ola

1970 `cuda340 convertible 4-speed Rallye Red with Red interior
cudaized.com

1970-71 Plymouth and Dodge E-Body Convertible Registry
ebodyconvertibleregistry.com