G90 (Z) ◑ Single-source

Cadillac · Regular Production Option

Optional 3.15:1 differential

Years 1971–72 Models 1

Documented applications

DeVille / Calais →

• 1971–72 ◑ Single-source

  Exc. Eldorado

This page aggregates every documented appearance of G90 (Z) in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.