Oldsmobile 260ci Specs: 3.50 x 3.385 in

Oldsmobile 260ci specs: 3.50 x 3.385 in (88.9 x 86 mm) bore and stroke, shared by all 3 versions. Displacement, compression and factory ratings.

At a glance

Displacement	260 ci
Cylinders	8
Bore	3.500"
Stroke	3.385"
Compression	9.2–9.6:1
Advertised power	100–111 hp
Years	1975–1982
Cylinder head data	2 of 3 engines

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
Oldsmobile 260ci · 3.500" × 3.385" · 9.201:1	260 ci	3.5" × 3.385"	9.201:1	110
Oldsmobile 260ci (1982) · 111 hp	260 ci	3.5" × 3.385"	9.551:1	111
LV8	260 ci	3.5" × 3.385"	—	100–110

Factory cars with a Oldsmobile 260ci

• Oldsmobile Cutlass: 1975, LV8, 110 hp; 1976, LV8, 110 hp; 1977, LV8, 110 hp; 1978, LV8, 110 hp; 1979, LV8, 105–110 hp; 1980, LV8, 105–110 hp; 1981, LV8, 105 hp; 1982, LV8, 100 hp
• Buick Skylark: 1976, 110 hp

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

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