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Capacities
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 140 Y
All capacities are approximate. When adding, be sure to fill to the appropriate level, as recommended in this
manual. Recheck fluid level after filling
Engine Specifications
Engine VIN Code Transmission Spark Plug Gap Firing Order
6.2L V8 (LS3) W
Automatic
Manual
0.040 inch
(1.016 mm)
1–8–7–2–6–5–4–3
7.0L V8 (LS7) E Manual
0.040 inch
(1.016 mm)
1–8–7–2–6–5–4–3
Engine Data
Engine Horsepower Torque Displacement Compression Ratio
6.2L V8 430 @ 5900 rpm 424 lb ft @ 4600 rpm 6.2L 10.69:1
6.2L V8 with
option NPP
436 @ 5900 rpm 428 lb ft @ 4600 rpm 6.2L 10.69:1
7.0L V8 505 @ 6300 rpm 470 lb ft @ 4800 rpm 7.0L 11.0:1
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