Y-64 ◑ Single-source

Oldsmobile · Regular Production Option

Starfire GT package (stripes, Rallye suspension, gauges)

Years 1976–81 Models 1

Also described as Starfire GT package

Documented applications

Starfire / Omega →

• 1976–81 (per forum source; GT introduced mid-1975) ◑ Single-source

  Starfire

• 1978–80 ◑ Single-source

  Per forum source (1976–81 span)

This page aggregates every documented appearance of Y-64 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.