Buick 248ci Specs: 3.094 x 4.125 in

Buick 248ci specs: 3.094 x 4.125 in (78.6 x 104.8 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	248 ci
Cylinders	8
Bore	3.094"
Stroke	4.125"
Advertised power	107–125 hp
Years	1937–1950

This engine

Engine	Displacement	Bore × Stroke	CR	HP
Buick 248ci (1937–1950)	248 ci	3.0938" × 4.125"	—	107–125

Factory cars with a Buick 248ci

• Buick Special: 1937; 1938, 107 hp; 1939, 107 hp; 1940, 107 hp; 1941, 115 hp; 1941, 125 hp; 1942; 1946; 1947, 110 hp; 1948, 110 hp; 1950, 115 hp

What varies across the family

This family is represented by a single engine in the database: 248 ci, 8 cylinders, a 3.0938" × 4.125" bore and stroke.

All are undersquare — stroke larger than bore, favouring torque low in the range.

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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