Ford SCTi Gen2 Specs

Ford SCTi Gen2 engine specs: 122 ci (2L), 4-cylinder, 3.4449" bore x 3.2717" stroke, 9.7:1 compression.

Dimensions

Displacement122 ci / 2 L
Bore3.4449"
Stroke3.2717"
Cylinders4
Compression ratio9.7:1
Bore/stroke ratio1.053

Construction

Block materialaluminum
Head materialaluminum
ValvetrainDOHC
Fuel typegas
Advertised HP245 hp

What these numbers mean

Bore/stroke character1.053 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves
Mean piston speed at 6,000 RPM3,272 ft/min — conservative for a street engine
Displacement per cylinder30.5 ci
Static compression9.7:1 — in the range that usually runs on pump premium

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