LS3 ✓ Factory-verified

Chevrolet · Regular Production Option

Engine - V8, 400 Cu. In., 4-bbl carburetor

Years 1963–79 Models 4 Factory citations 8

Also described as 402ci ("396") 300 hp Turbo-Jet V8400 CID V8 330hp402 CID V8 240hp402 CID V8 300hp402ci ("400") Turbo-Jet 4-bbl V8

Documented applications

Camaro →

• 1971–1972 ✓ Factory-verified

  SS only

  ⛭ GM Heritage factory kit — 1971 Chevrolet Camaro, p.2.

  ⛭ GM Heritage factory kit — 1972 Chevrolet Camaro, p.11.

Chevelle / El Camino →

• 1970–1972 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1970 Chevrolet Chevelle, p.6.

  ⛭ GM Heritage factory kit — 1972 Chevrolet El Camino, p.8.

Impala / Full-Size →

• 1963–70s (varies) ● Confirmed

  4 barrel

• 1972 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1972 Chevrolet, p.10.
• 1971 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1971 Chevrolet, p.4.

Monte Carlo →

• 1970–1972 ✓ Factory-verified

  7,456 MC (1970), 8,633 (1971), 9,960 (1972)

  ⛭ GM Heritage factory kit — 1970 Chevrolet Monte Carlo, p.6.

  ⛭ GM Heritage factory kit — 1972 Chevrolet Monte Carlo, p.22.

Related codes · mentioned in these notes

960

This page aggregates every documented appearance of LS3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.