Nissan 146ci Specs: 89 x 96 mm

Nissan 146ci specs: 89 x 96 mm (3.5040 x 3.7800 in) bore and stroke, shared by all 3 versions. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	146 ci
Cylinders	4
Bore	3.504"
Stroke	3.780"
Compression	8.9:1
Advertised power	135–155 hp
Years	1989–1998
Cylinder head data	1 of 3 engines

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
Nissan 146ci (1993) · 135 hp	146 ci	3.504" × 3.78"	8.9:1	135
KA24E	146 ci	3.504" × 3.78"	—	140
KA24DE	146 ci	3.504" × 3.78"	—	155

Factory cars with a Nissan 146ci

• Nissan 240SX: 1989, 140 hp; 1990, 140 hp; 1991, 155 hp; 1992, 155 hp; 1993, 155 hp; 1994, 155 hp; 1995, 155 hp; 1996, 155 hp; 1997, 155 hp; 1998, 155 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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