Cadillac LA3 Specs: 3.445 x 3.465 in, 220 hp

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Cadillac LA3 specs: 194 ci (3.2L) 6-cylinder, 3.445 x 3.465 in (87.5 x 88 mm) bore and stroke, 10.3:1 compression. Rated 220 hp, 2003–2004.

The Cadillac 194ci (LA3) is close to square: 3.4449" bore against 3.4646" stroke, within 0.6%, which splits the difference between a high-revving layout and a torque layout. The 3.4646" stroke puts mean piston speed at 4,000 ft/min around 6,950 RPM, which is where a production bottom end is generally considered at its limit. Each of the 6 cylinders displaces 32.3 ci (530 cc).

10.3:1 is in the range that usually runs on pump premium.

2 factory variants share these dimensions, rated at 220 hp across 2003–2004.

Dimensions

Displacement194 ci / 3.2 L
Bore3.4449" *
Stroke3.4646" *
Cylinders6
ConfigurationV6
Compression ratio10.3:1 *
Bore/stroke ratio0.994

* Bore, stroke and compression ratio from a single source; not yet cross-verified.

Construction

Fuel typegas
Advertised HP220 hp
Years2003–2004

What these numbers mean

Bore/stroke character0.994 — square — bore and stroke are within 5%, a balanced compromise
Mean piston speed at 6,000 RPM3,465 ft/min — conservative for a street engine
Displacement per cylinder32.3 ci
Static compression10.3:1 — in the range that usually runs on pump premium

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Variants sharing these dimensions (2)

These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.

YearAdvertised HPCode
2003220 hpLA3
2004220 hpLA3

What cars have the LA3?

1 factory vehicle, 2003–2004. Each year opens that model's engine table.

Similar engines

← All Cadillac 194ci engines