Chevrolet Workshop Service and Repair Manuals > G 30 1 Ton Van L6-250 4.1L VIN D 2-bbl (1983) > Maintenance | Tune-up and Engine Performance Checks | Ignition Timing | Number One Cylinder | Component Information | Locations | Number 1 Cylinder Location

Timing Marks and Indicators > < Ignition Firing Order

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FIRING ORDER 4.1L (250), 4.8L (292)

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

Timing Marks and Indicators > < Ignition Firing Order