Acura D16Y Specs

Acura D16Y engine specs: 97 ci (1.6L), 4-cylinder, 2.9528" bore x 3.5433" stroke, 9.6:1 compression.

Dimensions

Displacement97 ci / 1.6 L
Bore2.9528"
Stroke3.5433"
Cylinders4
Compression ratio9.6:1
Bore/stroke ratio0.833

Construction

Block materialcast iron
Head materialaluminum
ValvetrainSOHC
Fuel typegas
Advertised HP127 hp

What these numbers mean

Bore/stroke character0.833 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM3,543 ft/min — in the range typical of performance street engines
Displacement per cylinder24.3 ci
Static compression9.6:1 — in the range that usually runs on pump premium

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