Diesel Data
: Automotive Repair
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Chevy Truck
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1988
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R 20 P/U 2WD V8-454 7.4L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Cylinder Head Assembly
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Rocker Arm Assembly
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Specifications
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Rocker Arm and Pushrod Adjustment
Rocker Arm and Pushrod Adjustment
ROCKER ARM AND PUSHROD ADJUSTMENT
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Adjust Rocker Arm to Zero lash plus 3/4 additional turn.