Engine profile

Buick 400 Stage 1 V8

Buick big-block V8 · 400 cubic inches · Buick

Exact-year Buick GS 400 engine bay showing the 400-4 installation, GS 400 air-cleaner assembly, induction path, accessories, and brake hardware; it provides model context without proving Stage 1 originality. 1969 Buick GS 400 Stage 1

Engine Summary

Manufacturer: Buick
Family: Buick big-block V8
Displacement: 400 cubic inches

Also Known As

Buick 400 Stage 1Buick 400 Stage 1 V8Buick 400 Stage 1 V-81969 Buick GS 400 Stage 1GS 400 Stage 1400-4 V8400-4 Stage 1Buick 400-4 V8RS Stage 1RS 400 Stage 11969 V8 RS 400Stage 1 Buick 4001969 Buick Stage 1 400

Cars Using This Engine

1 linked car page.

Two-door Sport Coupe or Convertible Coupe

1969 Buick GS 400 Stage 1

Factory option on 1969 GS 400

Source Trail

Buick Motor Division 1969 Buick prestige brochure

Team Buick / Buicks.net reference 1969 Buick Engine Number

Team Buick / Buicks.net reference 1969 Buick production figures

Team Buick / Buicks.net reference 1969 Buick paint charts and codes

Hemmings Motor News 1968-69 Buick GS 400 technical buyer guide

Hemmings Motor News 1968-69 Buick GS 400 buyer guide

Hagerty Valuation Tools 1969 Buick GS 400 overview

Mecum Auctions 1969 Buick GS 400 Stage 1 lot 1166117