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6-69
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 “VORTEC” 4300 “VORTEC” 5000 “VORTEC” 5700 “VORTEC” 8100
Type V6 V8 V8 V8
VIN Code W M R G
Fuel System CSFI
1
CSFI
1
CSFI
1
MFI
2
Spark
Plug Gap
0.060 inches
(1.52 mm)
0.060 inches
(1.52 mm)
0.060 inches
(1.52 mm)
0.060 inches
(1.52 mm)
Firing Order
1
-6-5-4-3-21-8-4-3-6-5-7-21-8-4-3-6-5-7-21-8-7-2-6-5-4-3
1
Central Sequential Fuel Injection
2
Sequential Fuel Injection