Article 1227 - Engine Surge - All 352 CID Engines except with Emission Control Systems

TSB #81 - December 8, 1967
(All 1965, 1966, 1967 Trucks so equipped)


This article supersedes Article 1187, Bulletin No. 78, dated November 3, 1967. To correct complaints of engine surge at constant throttle opening:
    1) Replace the spacer to manifold gasket with a new gasket, part No. C7AZ-9447-C.
    2) Bring fuel level to specifications.
    3) Road test
If unit still surges:
    4) Replace the main metering jets with one size larger jets.
    5) Road test
If still not corrected:
    6) Increase the main metering jets to one size larger

WARRANTY STATUS:
Oper.: 9510-A - Carburetor Assembly - Remove and Install . . . . 0.7 hrs.
Time: 9533-A - Metering Jets - Replace . . . . 0.4 hrs.

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