GMC LLR Specs

GMC LLR engine specs: 223.9 ci (3.7L), 5-cylinder, 3.7598" bore x 4.0551" stroke, 10:1 compression.

Dimensions

Displacement	223.9 ci / 3.7 L
Bore	3.7598"
Stroke	4.0551"
Cylinders	5
Compression ratio	10:1
Bore/stroke ratio	0.927

Construction

Block material	aluminum
Head material	aluminum
Valvetrain	DOHC
Fuel type	gas
Advertised HP	242 hp

What these numbers mean

Bore/stroke character	0.927 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM	4,055 ft/min — in the range typical of performance street engines
Displacement per cylinder	44.8 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 (4)

• GMC Canyon
• Chevrolet Colorado
• Hummer H3
• Isuzu i-370

Similar engines

• GMC 230 — 230 ci
• GMC High Feature V6 · 3.701" × 3.370" · 10.2:1 — 217 ci
• GMC LLT — 217 ci
• GMC LFX — 217 ci
• GMC High Feature V6 · 3.740" × 3.378" · 11.5:1 — 217 ci
• GMC 235 — 235 ci
• Honda J-series V6 · 3.661" × 3.571" · 11.2:1 — 224.6 ci
• Buick 225 — 225 ci

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