Chrysler 153ci Specs: 3.445 x 4.095 in

Chrysler 153ci specs: 3.445 x 4.095 in (87.5 x 104 mm) bore and stroke, shared by all 3 versions. Displacement, compression and factory ratings.

At a glance

Displacement	153 ci
Cylinders	4
Bore	3.445"
Stroke	4.095"
Compression	7.8:1
Advertised power	100–152 hp
Years	1986–1993

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
Chrysler 2.5 TBI balance-shaft	153 ci	3.4449" × 4.0945"	—	100
Chrysler 2.5 Turbo I	153 ci	3.4449" × 4.0945"	7.8:1	—
Chrysler 2.5 Turbo I "High Torque"	153 ci	3.4449" × 4.0945"	7.8:1	152

Factory cars with a Chrysler 153ci

• Chrysler LeBaron: 1986; 1987, 100 hp; 1988; 1989; 1989, 100 hp; 1990; 1990, 100 hp; 1991, 100 hp; 1991, 152 hp; 1992, 100 hp; 1992, 152 hp; 1993, 100 hp

What varies across the family

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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