Hyundai G4LA Specs

Hyundai G4LA engine specs: 73.2 ci (1.2L), 4-cylinder, 2.7953" bore x 3.1024" stroke, 10.5:1 compression.

Dimensions

Displacement73.2 ci / 1.2 L
Bore2.7953"
Stroke3.1024"
Cylinders4
Compression ratio10.5:1
Bore/stroke ratio0.901

Construction

Block materialaluminum
Head materialaluminum
ValvetrainDOHC
Fuel typegas
Advertised HP84 hp

What these numbers mean

Bore/stroke character0.901 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM3,102 ft/min — conservative for a street engine
Displacement per cylinder18.3 ci
Static compression10.5:1 — in the range that usually runs on pump premium

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