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GMC Truck
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1998
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C 2500 Truck 2WD V8-454 7.4L VIN J SFI
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Repair and Diagnosis
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Maintenance
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Tune-up and Engine Performance Checks
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Valve Clearance
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Adjustments
Valve Clearance: Adjustments
This engine has non adjustable Rocker Arms. For Rocker Arm Torque Specifications, Refer to
Engine / Cylinder Head Assembly / Rocker Arm / Specifications /
Specifications