Article 2008 - Power Loss During High Altitude Operation

TSB #127 - November 21, 1969
(1968-69 F-100/250 With 360/390 CID Engine)


Change the fuel pump and relocate the fuel filter. Install a new needle and seat assembly and bowl cover gasket in the carburetor.

Carburetor Modifications
    1. Install the new square needle (Part No. D0PZ-9564-A), and adjust fuel level to specification (7/8" with engine idling).
    2. Install the new carburetor gasket (Part No. C8TZ-9561-A).
Fuel Supply System Changes
    1. Install the fuel pump (Part No. C6AZ-9350-B).
    2. Make a straight 5/16" steel line with double flared fittings on both ends, long enough for the filter to clear the air cleaner.
    3. Mount the fuel filter (Part No. B7T-9155-A) upside down directly in front of the carburetor air cleaner.
    4. Rebend the fuel line to in front of the distributor and connect to filter.
PARTS
PART NUMBERPART NAMECLASSAVAIL.
D0PZ-9564-AInlet Needle and SeatAOK
C6AZ-9350-BFuel PumpAOK
B7T-9155-AInline Fuel FilterBOK
C8TZ-9561-ACarburetor Bowl GasketWGOK


PRODUCTION CORRECTION: None
WARRANTY STATUS:
Reimbursable within the provisions of the Warranty and Policy Manual.
Operation: SP-9350-A-69
Time: 1.2 Hrs.

DLR. CODING: Basic Part No. 9350 - Problem Code No. 04