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Cadillac 4.4-liter-gm-cadillac Engines Variations
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ABOUT REMAN ENGINE
4.4 Liter Engines: The only 4.4-liter engine to be manufactured by General Motors is the 4.4 Cadillac engine which fell under the Northstar engine family. This Northstar V8 engine was primarily used for performance applications.
- LC3 - The LC3 designation was the only supercharged Northstar engine ever used by General Motors. The 4.4 Northstar was a 4.4-liter V8 engine that had high flow cylinder heads, variable valve timing (VVT), and a supercharger. The compression ratio of the engine was lowered to 9.0:1 to allow for proper engine operation with it being supercharged. The 4.4 supercharged Northstar engine was used as a 2006-2009 Cadillac STS-V engine as well as a 2006-2009 Cadillac XLR-V engine. The LC3 Northstar engine was rated at anywhere between 443-469 hp at the crank.
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