Chevrolet 220ci Engine Specs

Bore, stroke, displacement and compression for all 2 Chevrolet 220ci engines, compared side by side. Plus rod ratio and head specs where published.

At a glance

Displacement	218–220 ci
Cylinders	6
Bore	3.701–3.740"
Stroke	3.370–3.378"
Compression	11.5:1
Advertised power	305–308 hp
Years	2015–2022

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
LGZ	220 ci	3.7402" × 3.378"	11.5:1	308
LFX	218 ci	3.7008" × 3.3701"	—	305

Factory cars with a Chevrolet 220ci

• Chevrolet Colorado: 2015, LFX, 305 hp; 2016, LFX, 305 hp; 2017, LGZ, 308 hp; 2018, LGZ, 308 hp; 2019, LGZ, 308 hp; 2020, LGZ, 308 hp; 2021, LGZ, 308 hp; 2022, LGZ, 308 hp

What varies across the family

Both bore and stroke vary across the family, so these are separate castings rather than variations on one block.

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.

← All Chevrolet engines