Studebaker 170ci Specs: 3.00 x 4.00 in

Studebaker 170ci specs: 3.00 x 4.00 in (76.2 x 101.6 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	170 ci
Cylinders	6
Bore	3.000"
Stroke	4.000"
Advertised power	80–112 hp
Years	1947–1962

This engine

Engine	Displacement	Bore × Stroke	CR	HP
Studebaker 170ci (1947–1962)	170 ci	3" × 4"	—	80–112

Factory cars with a Studebaker 170ci

• Studebaker Champion / Commander: 1947, 80 hp; 1948, 80 hp; 1951, 85 hp; 1952, 85 hp; 1953, 85 hp; 1954, 85 hp
• Studebaker Hawk: 1959, 90 hp
• Studebaker Lark: 1959; 1960; 1961, 112 hp; 1962, 112 hp
• Studebaker Pickup: 1959; 1960; 1961

What varies across the family

This family is represented by a single engine in the database: 170 ci, 6 cylinders, a 3" × 4" 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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