System Specifications
Cylinder Head and Valve TrainCombustion chamber volume 43.9 ± 1.5 CM3
Valve arrangement (front to rear) - LH E-I-E-I-E-I-E-I
Valve arrangement (front to rear) - RH I-E-I-E-I-E-I-E
Valve guide bore diameter 7.015-7.044 mm (0.2762-0.2773 inch)
Valve stem diameter 6.975-6.995 mm (0.2754-0.2746 inch)
Valve stem-to-guide clearance - intake 0.020-0.069 mm (0.00078-0.00272 inch)
Valve stem-to-guide clearance - exhaust 0.046-0.095 mm (0.0018-0.0037 inch)
Valve head diameter - intake 44.37-44.63 mm (1.75-1.76 inch)
Valve head diameter - exhaust 35.88-36.14 mm (1.41-1.43 inch)
Valve face runout 0.05 mm (0.002 inch)
Valve face angle 45.5 degrees
3. NOTE: LH shown, RH similar.
Cylinder head bolt tightening sequence and torque.
Stage 1: Tighten to 40 Nm (30 ft. lbs.).
Stage 2: Tighten an additional 90°.
Stage 3: Loosen the bolts a minimum of one full turn.
Stage 4: Tighten to 40 Nm (30 ft. lbs.).
Stage 5: Tighten an additional 90°.
Stage 6: Tighten an additional 90°.
Intake manifold-to-cylinder head bolt 25 Nm (18 ft. lbs.)
Camshaft bearing cap torque and sequence
Exhaust manifold-stud to cylinder head 10-13 Nm (7-10 ft. lbs.)