Pontiac 2006 Grand Prix - Manual (Page 425)

Engine Specifications
Engine VIN Code Transaxle Spark Plug Gap
3800 V6
(3.8L L26)
2 Automatic .060 inches (1.52 mm)
3800 V6 Supercharged
(3.8L L32)
4 Automatic .060 inches (1.52 mm)
5.3L V8 Engine C Automatic .040 inches (1.01 mm)
5-119