Porsche 134ci Engine Specs

Bore, stroke, displacement and compression for all 3 Porsche 134ci engines, compared side by side. Plus rod ratio and head specs where published.

At a glance

Displacement	134 ci
Cylinders	6
Advertised power	125–200 hp
Years	1970–1971

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
911/07, 911/08	134 ci	—	—	125
911/01, 911/04	134 ci	—	—	175
911/02, 911/05	134 ci	—	—	200

Factory cars with a Porsche 134ci

• Porsche 911: 1970, 125 PS; 1970, 175 hp; 1970, 200 hp; 1971, 125 PS; 1971, 175 hp; 1971, 200 hp

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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