GMC Workshop Service and Repair Manuals > V 2500 P/U 4WD V8-350 5.7L (1987) > Engine, Cooling and Exhaust | Engine | Tune-up and Engine Performance Checks | Ignition Timing | Number One Cylinder | Component Information | Locations | Number 1 Cylinder Location

Spark Plug Wire <--> [Ignition Cable] > < Ignition Firing Order

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FIRING ORDER GASOLINE

Engine, Cooling and Exhaust
Engine
Tune-up and Engine Performance Checks
Ignition Timing
Number One Cylinder
Component Information
Locations
Number 1 Cylinder Location

Spark Plug Wire <--> [Ignition Cable] > < Ignition Firing Order