LV1 Factory-verified

Chevrolet · Regular Production Option

Engine, 4.3L V6, direct injection, variable valve timing, aluminum block

Years 1975–76, 2018, 2022–27 Models 3 Factory citations 18

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Also described as V8 engine - 262 2-bbl262ci 4.3L 2-bbl V8

Also documented for GMC

Documented applications

Nova / Chevy II

1975 Factory-verified

GM Heritage factory kit — 1975 Chevrolet Nova, p.4.

1975–1976 Factory-verified

smallest Chevrolet V8; 110 hp

GM Heritage factory kit — 1975 Chevrolet Monza, p.4.
GM Heritage factory kit — 1976 Chevrolet Monza, p.16.

Express — GMT610 (2003–2027)

2018, 2022–2027 Factory-verified

the 2025–2027 guides give 276 hp at 5200 rpm and 298 lb-ft at 3900 rpm and read it Engine, 4.3L V6; the 2022–2026 upfitter lists read engine, gas, 6 cylinder, 4.3L, Gen 5, SIDI, V6, VVT, OHV, aluminum; S: Cargo 1WT, Cutaway CG33503, Passenger 1LS, Passenger 1LT; not offered: Cutaway 2WT (2025–2026), Cutaway 1WT CG33803, Cutaway 1WT CG33903 (2025–2026)

GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.16.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.13.
GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.14.
GM factory document — 2024 chevrolet 24 express savana body builder manual 18553161 2023oct26, p.14.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.12.
GM factory document — 2025 chevrolet express cargo fleet order guide, p.4.
GM factory document — 2025 chevrolet express cutaway fleet order guide, p.5.
GM factory document — 2025 chevrolet express passenger fleet order guide, p.5.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.12.
GM factory document — 2026 chevrolet express cargo fleet order guide, p.4.
GM factory document — 2026 chevrolet express cutaway fleet order guide, p.6.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.5.
GM factory document — 2027 chevrolet express cargo fleet order guide, p.4.
GM factory document — 2027 chevrolet express cutaway fleet order guide, p.3.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.5.

This page aggregates every documented appearance of LV1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.