Chevrolet Small GAS Engine 18L LWE Specs

Chevrolet Small GAS Engine 18L LWE engine specs: 110 ci (1.8L), 4-cylinder, 3.1693" bore x 3.4724" stroke, 10.5:1 compression.

Dimensions

Displacement110 ci / 1.8 L
Bore3.1693"
Stroke3.4724"
Cylinders4
Compression ratio10.5:1
Bore/stroke ratio0.913

Construction

Block materialaluminum
Head materialaluminum
ValvetrainDOHC
Fuel typegas
Advertised HP138 hp

What these numbers mean

Bore/stroke character0.913 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM3,472 ft/min — conservative for a street engine
Displacement per cylinder27.5 ci
Static compression10.5:1 — in the range that usually runs on pump premium

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