427ci 425hp V8, solid lifters

Years 1963–79, 1998 Models 3 Factory citations 2

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Also described as 427 CID V8 425hp427ci 425 hp Turbo-Jet V8Engine, 1.3 liter, 4 cylinder

Also documented for Buick

Documented applications

Corvette (C1 / C2)

1966 Disputed

$312.85; 5,258 built (3 sources and the Corvette Black Book; CAC shows 5,528); hp rating disputed — see callout above

Impala / Full-Size

1963–70s (varies) Single-source
1966, 1968–1969 Factory-verified

manual transmission only in 66

GM Heritage factory kit — 1966 Chevrolet, p.38.

Metro — second generation (1998–2001)

1998 Factory-verified

1998 only; later lists print LY8 for the 1.3 liter 4 cylinder

GM factory document — 1998 chevrolet metro rpo code list, p.1.

This page aggregates every documented appearance of L72 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.