Fiat 107ci Specs: 84 x 79.2 mm

Fiat 107ci specs: 84 x 79.2 mm (3.3071 x 3.1181 in) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.

At a glance

Displacement107 ci
Cylinders4
Bore3.307"
Stroke3.118"
Compression8.0:1
Advertised power86 hp
Years1975–1978

This engine

EngineDisplacementBore × StrokeCRHP
132 A1 040107 ci3.3071" × 3.1181"8:186

Factory cars with a Fiat 107ci

What varies across the family

This family is represented by a single engine in the database: 107 ci, 4 cylinders, a 3.3071" × 3.1181" bore and stroke.

All are oversquare — bore larger than stroke, which favours revs over low-end torque.

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

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