LD7 ◑ Single-source

Buick · Regular Production Option

231 V6 (odd-fire era)

Years 1975–76 Models 1

Documented applications

Regal / Century →

• 1975–1976 ◑ Single-source

  Century, Regal

This page aggregates every documented appearance of LD7 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.