Oldsmobile 181ci Engine Specs

Bore, stroke, displacement and compression for all 2 Oldsmobile 181ci engines, compared side by side. Plus rod ratio and head specs where published.

At a glance

Displacement	181 ci
Cylinders	6
Advertised power	110–125 hp
Years	1982–1988

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
LK9	181 ci	—	—	110
LN7	181 ci	—	—	125

Factory cars with a Oldsmobile 181ci

• Oldsmobile Cutlass: 1982, LK9, 110 hp; 1983, LK9, 110 hp; 1984, LK9, 110 hp; 1985, LK9, 110 hp; 1985, LN7, 125 hp; 1986, LN7, 125 hp; 1987, LN7, 125 hp; 1988, LN7, 125 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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