1985 3.7L-1V Light Duty Trucks All Models With Federal Emission Package (49 States)

Consisting of:

1 - #611 Main Metering Jet PN 3837520
1 - Carburetor Air Horn Gasket PN 4267140

INSTRUCTIONS

- Remove carburetor.

- Remove air horn from carburetor.

FIGURE 10 - Main Metering Jet Location:

- Remove existing main metering jet (Figure 10).
- Install #611 main metering jet PN 3837520.

- Reinstall air horn with new air horn gasket PN 4267140.

- Drill out concealment plug and prepare carburetor for propane idle set.

- Per instructions in appropriate service manual, perform a propane idle set. Reset the propane/curb idle speeds to 775/750 for manuals and 800/775 for automatics.

- Reset HFI to 1600 on Step 2.

- Reset choke vacuum kick to 0.120".

- Reset idle solenoid speed to 850 rpm (manual transmission) or 875 (automatic transmission).

- Type in changes made on Emission Update Label and affix in engine compartment next to VECI label.