Operation CHARM
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GMC Truck
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1991
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Suburban 3/4 Ton 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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Specifications
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Dimension & Clearance Specifications - Cylinder Head
Dimension & Clearance Specifications - Cylinder Head
Warpage Limit
Maximum Surface Refinish
0.010 Inch (in)