engine timing mark #engine #timingmark engine timing markThe 5.3L LS LM7 V8 engine was widely used by General Motors (GM) in many trucks and SUVs, mainly in the early-to-mid 2000s. 🚗 Vehicles that used the 5.3L LM7 V8 Chevrolet Chevrolet Silverado 1500 Chevrolet Tahoe Chevrolet Suburban Chevrolet Avalanche GMC GMC Sierra 1500 GMC Yukon GMC Yukon XL Cadillac Cadillac Escalade Cadillac Escalade EXT Cadillac Escalade ESV ℹ️ Engine details (quick facts) Displacement: 5.3L (325 cu in) Configuration:

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