GMC Chevrolet Express 2022 Owner's Manual page 235

234 Technical Data
Transmission Fluid (Pan Removal and Filter Replacement) 6-SPD 6L90
Wheel Nut Torque
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level
after filling.
Engine Specifications
Engine
6.6L V8 Engine (L8T)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug.
Vehicle Top Speed
6.6L V8 Engine (L8T)
Application
VIN Code
7 299 kW (401 hp) @
Engine
Metric
12.3 L
190
Horsepower
629
5200 rpm 4000 rpm
Metric
158 km/h
Capacities
Torque Spark Plug Gap
(464 lb ft) @ 0.95mm 1.10 mm (0.037
English
13.0 qt
140 lb ft
0.043 in)
English
98 mph