Subaru EG Specs: 96.9 x 75 mm

Subaru EG specs: 96.9 x 75 mm (3.8150 x 2.9528 in) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.

At a glance

Displacement202.5 ci
Cylinders6
Bore3.815"
Stroke2.953"
Compression10.0:1
Advertised power230 hp

This engine

EngineDisplacementBore × StrokeCRHP
EG33202.5 ci3.815" × 2.9528"10:1230

What varies across the family

This family is represented by a single engine in the database: 202.5 ci, 6 cylinders, a 3.815" × 2.9528" 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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