Buick Engine Specs

Bore, stroke, displacement and compression for 84 Buick engines across 27 families. Free reference with rod ratio and head specs where published.

At a glance

Displacement range	151-455 ci
Cylinder counts	4, 6, 8
Years covered	1961-2024
Families	27
Engines	84
With cylinder head data	23 engines

Engine families

• 3800 V6 — 3 engines
• 3800 V6 Supercharged — 2 engines
• Big Block V8 — 1 engine
• Buick 151ci — 4 engines
• Buick 173ci — 4 engines
• Buick 196ci — 2 engines
• Buick 215ci — 3 engines
• Buick 225ci — 1 engine
• Buick 231ci — 12 engines
• Buick 262ci — 1 engine
• Buick 301ci — 3 engines
• Buick 305ci — 4 engines
• Buick 307ci — 2 engines
• Buick 350ci — 4 engines
• Buick 3800 — 3 engines
• Buick 403ci — 2 engines
• Buick 455ci — 4 engines
• Buick Big-Block V8 — 3 engines
• Buick Nailhead V8 — 1 engine
• Buick Small-Block V8 — 8 engines
• Buick V6 — 3 engines
• Fireball V6 — 2 engines
• Fireball V8 — 1 engine
• GM 3800 — 2 engines
• GM High Feature V6 — 8 engines
• High Feature V6 — 4 engines
• Nailhead V8 — 2 engines

Every engine page lists bore, stroke, displacement, compression and rod ratio, with mean piston speed and bore/stroke character worked out, plus cylinder head specs where published. Each links into the calculators with its own dimensions filled in.

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