L34 / LM1 ◑ Single-source

Buick · Regular Production Option

350 4-bbl V8 variants

Years 1977–79 Models 1

Documented applications

Full-Size — LeSabre / Electra / Wildcat →

• 1977–1979 ◑ Single-source

  LeSabre/Electra (Buick vs Chevy 350 sourcing varies)

This page aggregates every documented appearance of L34 / LM1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.