Oldsmobile 262ci Specs: 4.057 x 3.385 in

Oldsmobile 262ci specs: 4.057 x 3.385 in (103 x 86 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings.

At a glance

Displacement	262 ci
Cylinders	6
Bore	4.057"
Stroke	3.385"
Compression	21.6:1
Advertised power	85–86 hp
Years	1982–1985
Cylinder head data	1 of 2 engines

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
Oldsmobile 262ci · 4.057" × 3.385" · 21.6:1	262 ci	4.057" × 3.385"	21.6:1	85–86
LT7	262 ci	4.057" × 3.385"	—	85

Factory cars with a Oldsmobile 262ci

• Oldsmobile Cutlass: 1982, LT7, 85 hp; 1983, LT7, 85 hp; 1984, LT6, 85 hp; 1984, LT7, 85 hp; 1985, LT7, 85 hp

What varies across the family

All are oversquare — bore larger than stroke, which favours revs over low-end torque.

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.

← All Oldsmobile engines