GMC LLV Specs

GMC LLV engine specs: 177 ci (2.9L), 4-cylinder, 3.7598" bore x 4.0157" stroke, 10:1 compression.

Dimensions

Displacement	177 ci / 2.9 L
Bore	3.7598"
Stroke	4.0157"
Cylinders	4
Compression ratio	10:1
Bore/stroke ratio	0.936

Construction

Block material	aluminum
Head material	aluminum
Valvetrain	DOHC
Fuel type	gas
Advertised HP	185 hp

What these numbers mean

Bore/stroke character	0.936 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM	4,016 ft/min — in the range typical of performance street engines
Displacement per cylinder	44.3 ci
Static compression	10:1 — in the range that usually runs on pump premium

Run the numbers for this engine

Each link opens the calculator with this engine's specs already filled in.

• Displacement calculator
• Compression ratio calculator
• Piston ring gap calculator
• Piston speed calculator
• Carburetor CFM calculator

Vehicles (3)

• GMC Canyon
• Chevrolet Colorado
• Isuzu i-290

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