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Home >> Chevrolet >> 2001 >> Lumina >> Repair and Diagnosis >> External Pages >> Different car >> Section 187 (Engine Mechanical - 3.1L V6 - VIN (J) (On-Vehicle)) >> Engine Specifications >> Cylinder Head Specifications

Cylinder Head Specifications

WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD

Application Specification
Maximum Warpage (1) .005" (.13 mm)
Valve Seats
Intake Valve
Seat Angle
2000 45°
2001 46°
Seat Width .061-.071" (1.55-1.80 mm)
Seat Runout (Maximum) .001" (.03 mm)
Exhaust Valve
Seat Angle
2000 45°
2001 46°
Seat Width .067-.079" (1.70-2.00 mm)
Seat Runout (Maximum) .001" (.03 mm)
Valve Stem-To-Guide Oil Clearance .001-.003" (.03-.08 mm)
(1) DO NOT remove more than .010" (.25 mm) material from original surface of cylinder head.