
Black plate (5,1)
GMC Sierra Owner Manual - 2013 - crc - 8/14/12
Technical Data
12-5
Engine Specifications (cont'd)
Engine
VIN Code
Spark Plug Gap
6.0L V8 FlexFuel with Active Fuel Management
™
(Aluminum
Block)(LZ1)
J
1.02 mm (0.040 in)
6.0L V8 (Iron Block) (L96)
G
1.02 mm (0.040 in)
6.2L V8 FlexFuel (Aluminum Block) (L9H)
2
1.02 mm (0.040 in)