Hyundai G4HC Specs

Hyundai G4HC engine specs: 61 ci (1L), 4-cylinder, 2.5984" bore x 2.874" stroke, 9.6:1 compression.

Dimensions

Displacement61 ci / 1 L
Bore2.5984"
Stroke2.874"
Cylinders4
Compression ratio9.6:1
Bore/stroke ratio0.904

Construction

Block materialcast iron
Head materialaluminum
ValvetrainSOHC
Fuel typegas
Advertised HP60 hp

What these numbers mean

Bore/stroke character0.904 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM2,874 ft/min — conservative for a street engine
Displacement per cylinder15.3 ci
Static compression9.6:1 — in the range that usually runs on pump premium

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