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Engine Specifications
Engine VIN Code Transmission Spark Plug Gap
5.3L V8 Flexible Fuel with Active
Fuel Management (Iron) (LMG)
0 Automatic 0.040 in (1.02mm)
6.2L V8 with Active Fuel
Management (L9H)
2 Automatic 0.040 in (1.02mm)
6-113