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About the V8 5.3L LM4 Engine


The Generation III 5.3L V8 engine offered 2003-2004.

The LM4 engine is inicated as "P" in the VIN code.


V8 5.3L LM4 Engine Specifications


  • LM4 HP: 290
  • LM4 Torque: 325 lb-ft
  • Bore: 3.78"
  • Stroke: 3.62"
  • Compression Ratio: 10.0:1
  • Block/Heads: Aluminum

 

 

Vehicles with V8 5.3L LM4 Engine

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