Chevrolet 237ci Engine Specs

Bore, stroke, displacement and compression for all 3 Chevrolet 237ci engines, compared side by side. Plus rod ratio and head specs where published.

At a glance

Displacement	237 ci
Cylinders	6
Advertised power	230–242 hp
Years	2006–2011

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
LZ9	237 ci	—	—	242
LZ8	237 ci	—	—	233
LGD / LZG	237 ci	—	—	230–233

Factory cars with a Chevrolet 237ci

• Chevrolet Impala: 2006, LZ9, 242 hp; 2007, LZ8, 233 hp; 2008, LZ8, 233 hp; 2009, LGD / LZG, 233 hp; 2010, LGD / LZG, 233 hp; 2011, LGD / LZG, 230 hp
• Chevrolet Monte Carlo: 2006, LZ9, 242 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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