Dodge 230ci Specs: 3.78 x 3.425 in

Dodge 230ci specs: 3.78 x 3.425 in (96 x 87 mm) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.

At a glance

Displacement	230 ci
Cylinders	6
Bore	3.780"
Stroke	3.425"
Advertised power	103–138 hp
Years	1950–1959

This engine

Engine	Displacement	Bore × Stroke	CR	HP
Dodge 230ci (1950–1959)	230 ci	3.7795" × 3.4252"	—	103–138

Factory cars with a Dodge 230ci

• Dodge Coronet: 1950, 103 hp; 1955, 123 hp; 1956, 131 hp; 1957, 138 hp; 1958, 138 hp; 1959, 135 hp

What varies across the family

This family is represented by a single engine in the database: 230 ci, 6 cylinders, a 3.7795" × 3.4252" bore and stroke.

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.

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