Chevrolet 2010 Avalanche Owner's Manual page 527

Engine
5.3L V8 Flexible Fuel with Active
Fuel Management (Iron) (LMG)
6.2L V8 with Active Fuel
Management (L9H)
Engine Specifications
VIN Code
0
2
I n f o r ma t i o n P r o v i d e d b y :
Transmission
Automatic
Automatic
Spark Plug Gap
0.040 in (1.02 mm)
0.040 in (1.02 mm)
6-113