Owner's Manual
Page 428
... Automatic Manual Manual Spark Plug Gap 0.040 inch (1.016 mm) 0.040 inch (1.016 mm) Firing Order 1-8-7-2-6-5-4-3 1-8-7-2-6-5-4-3 Engine Data Engine 6.0L V8 (LS2) 7.0L V8 (LS7) Horsepower 400 @ 6000 rpm 505 @6300 rpm Torque 400 lb ft @ 4400 rpm 470 lb ft @ 4800 rpm Displacement 6.0L 7.0L Compression Ratio 10.9:1 11.0:1 428
... Automatic Manual Manual Spark Plug Gap 0.040 inch (1.016 mm) 0.040 inch (1.016 mm) Firing Order 1-8-7-2-6-5-4-3 1-8-7-2-6-5-4-3 Engine Data Engine 6.0L V8 (LS2) 7.0L V8 (LS7) Horsepower 400 @ 6000 rpm 505 @6300 rpm Torque 400 lb ft @ 4400 rpm 470 lb ft @ 4800 rpm Displacement 6.0L 7.0L Compression Ratio 10.9:1 11.0:1 428