Chevrolet 151ci Specs: 4.002 x 3.01 in

Chevrolet 151ci specs: 4.002 x 3.01 in (101.7 x 76.5 mm) bore and stroke, shared by all 5 versions. Displacement, compression and factory ratings.

At a glance

Displacement	151 ci
Cylinders	4
Bore	4.002"
Stroke	3.010"
Compression	8.5–9.3:1
Advertised power	88–105 hp
Years	1982–1993
Cylinder head data	1 of 5 engines

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
Chevrolet 151ci · 4.002" × 3.010" · 9.3:1	151 ci	4.002" × 3.01"	9.3:1	88–92
Chevrolet 151ci · 4.002" × 3.010" · 8.5:1	151 ci	4.002" × 3.01"	8.5:1	98–105
LQ9	151 ci	4.002" × 3.01"	—	88–94
LN8	151 ci	4.002" × 3.01"	—	92–94
L38	151 ci	4.002" × 3.01"	—	105

Factory cars with a Chevrolet 151ci

• Chevrolet Camaro: 1982, LQ9, 90 hp; 1983, LQ9, 94 hp; 1984, LQ9, 92 hp; 1985, LQ9, 88 hp; 1986, LQ9, 88 hp
• Chevrolet S-10: 1985, LN8, 92 hp; 1986, LN8, 92 hp; 1987, LN8, 92 hp; 1988, LN8, 92 hp; 1989, LN8, 92 hp; 1990, LN8, 94 hp; 1991, L38, 105 hp; 1992, L38, 105 hp; 1993, L38, 105 hp
• GMC Jimmy: 1986, LN8, 92 hp; 1988, LN8, 92 hp

What varies across the family

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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