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Pontiac
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2003
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Grand Prix V6-3.1L VIN J
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Engine
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Cylinder Head Assembly
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Valve Seat
Valve Seat
Seat Angle
46°
Valve Seat Runout
0.001 in
Seat Width-lntake
0.061-0.071 in
Seat Width-Exhaust
0.067-0.079 in