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Carburetor Adjustment Specifications

CARBURETOR ADJUSTMENT SPECIFICATIONS

Application Inches (mm)
4.2L Carburetor
Float Level .25 (6.5)
Vacuum Piston Gap .035 (0.9)
Choke Valve Clearance .14 (3.5)
Fast Idle Cam .095 (2.4)
Choke Unloader .28 (7.1)
5.9L Carburetor
Float Level .328 (8.3)
Choke Valve Clearance .078-.118 (2.0-3.0)
Fast Idle Cam .076 (1.9)
Choke Unloader (1) .42 (10.6)
Automatic Choke Cover Setting (2) Notch "V"
(1) Minimum setting.
(2) Notches rich setting.