Hyundai G4KC Specs

Hyundai G4KC engine specs: 146.5 ci (2.4L), 4-cylinder, 3.4646" bore x 3.8189" stroke, 11.3:1 compression.

Dimensions

Displacement146.5 ci / 2.4 L
Bore3.4646"
Stroke3.8189"
Cylinders4
Compression ratio11.3:1
Bore/stroke ratio0.907

Construction

Block materialaluminum
Head materialaluminum
ValvetrainDOHC
Fuel typegas
Advertised HP190 hp

What these numbers mean

Bore/stroke character0.907 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM3,819 ft/min — in the range typical of performance street engines
Displacement per cylinder36.6 ci
Static compression11.3:1 — high enough that pump premium or better is normally required

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