ApplicationCapacities
English Metric
Manual Transmission – Z51 4.2 qt 4.0 L
Manual Transmission – Z06 4.5 qt 4.3 L
Wheel Nut Torque 100 lb ft
140Y
All capacities are approximate. When adding, be sure to ll to the appropriate level, as recommended
in this manual. Recheck uid level after lling
Engine Speci cations
Engine VIN Code Transmission Spark Plug Gap Firing Order
6.0 L V8 (LS2) UAutomatic
Manual0.040 inch
(1.016 mm)1–8–7–2–6–5–4–3
7.0 L V8 (LS7) E Manual0.040 inch
(1.016 mm)1–8–7–2–6–5–4–3
Engine Data
Engine Horsepower Torque Displacement Compression Ratio
6.0 L V8 (LS2) 400 @ 6000 rpm 400 lb ft @ 4400 rpm 6.0 L 10.9:1
7.0 L V8 (LS7) 505 @ 6300 rpm 470 lb ft @ 4800 rpm 7.0 L 11.0:1
427