Ford 140ci 9.512:1 Specs

Ford Ford 140ci · 3.781" × 3.126" · 9.512:1 engine specs: 140 ci (2.3L), 4-cylinder, 3.781" bore x 3.126" stroke, 9.512:1 compression.

Dimensions

Displacement140 ci / 2.3 L
Bore3.781"
Stroke3.126"
Cylinders4
ConfigurationI4
Compression ratio9.512:1
Rod length5.205"
Rod ratio1.665
Bore/stroke ratio1.21

Construction

Block materialcast iron
Head materialcast iron
ValvetrainOHV
Fuel typegas
Advertised HP86–88 hp
Years1978–1982

What these numbers mean

Bore/stroke character1.210 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves
Mean piston speed at 6,000 RPM3,126 ft/min — conservative for a street engine
Rod ratio1.665 — moderate — the range most production V8s fall in
Displacement per cylinder35.0 ci
Static compression9.512:1 — in the range that usually runs on pump premium

Cylinder head

Intake valve diameter1.744"
Exhaust valve diameter1.508"

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Variants sharing these dimensions (5)

These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.

YearAdvertised HPCode
197888 hp
197988 hp
198088 hp
198188 hp
198286 hp

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