Audi BHT Specs

Audi BHT engine specs: 366 ci (6L), 12-cylinder, 3.3071" bore x 3.5512" stroke, 10.7:1 compression.

Dimensions

Displacement366 ci / 6 L
Bore3.3071"
Stroke3.5512"
Cylinders12
Compression ratio10.7:1
Bore/stroke ratio0.931

Construction

Block materialaluminum
Head materialaluminum
ValvetrainDOHC
Fuel typegas
Advertised HP450 hp

What these numbers mean

Bore/stroke character0.931 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM3,551 ft/min — in the range typical of performance street engines
Displacement per cylinder30.5 ci
Static compression10.7:1 — in the range that usually runs on pump premium

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