Nissan RB30ET Specs

Nissan RB30ET engine specs: 182.7 ci (3L), 6-cylinder, 3.3858" bore x 3.3465" stroke, 7.8:1 compression.

Dimensions

Displacement182.7 ci / 3 L
Bore3.3858"
Stroke3.3465"
Cylinders6
Compression ratio7.8:1
Bore/stroke ratio1.012

Construction

Block materialcast iron
Head materialaluminum
ValvetrainSOHC
Fuel typegas
Advertised HP201 hp

What these numbers mean

Bore/stroke character1.012 — square — bore and stroke are within 5%, a balanced compromise
Mean piston speed at 6,000 RPM3,347 ft/min — conservative for a street engine
Displacement per cylinder30.4 ci
Static compression7.8:1 — low by modern standards, generally happy on regular pump fuel

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