2002 GMC Savana Van Owner's Manual - Page 336

Capacities and Specifications All capacities are approximate. When adding, be sure to fill to the appropriate level or as recommended in this manual. See refrigerant charge label under the hood for charge capacity information and requirements. Engine Identification -- Gasoline Engines Engine Type VIN Code Fuel System Spark Plug Gap Firing Order 1Central "VORTEC" 4300 V6 W CSFI1 0.060 inches (1.52 mm) 1-6-5-4-3-2 "VORTEC" 5000 V8 M CSFI1 0.060 inches (1.52 mm) 1-8-4-3-6-5-7-2 "VORTEC" 5700 V8 R CSFI1 0.060 inches (1.52 mm) 1-8-4-3-6-5-7-2 "VORTEC" 8100 V8 G MFI2 0.060 inches (1.52 mm) 1-8-7-2-6-5-4-3 Sequential Fuel Injection Fuel Injection 2Sequential 6-69