System Specifications
Cylinder HeadValve lift @ zero lash
Intake 7.9 mm
Exhaust 7.4 mm
Valve guide diameter 5.509 - 5.539 mm (0.216 - 0.218 in.)
Valve seal width-intake/Exhaust 0.99 - 1.84 mm (0.038 - 0.072 in.)
Valve seat angle 45 degrees
Valve seat runout 0.075 mm (0.0029 in.)
Valve lash adjuster bore diameter 31.00 - 31.03 mm (1.220 - 1.221 in.)
Cam bore diameter 25.015 - 25.040 mm (0.984 - 0.985 in.)
Cylinder head bolts.
Stage 1 5 Nm (44 in. lbs.)
Stage 2 15 Nm (11 ft. lbs.)
Stage 3 45 Nm (33 ft. lbs.)
Stage 4 90 degrees
Stage 5 90 degrees
Camshafts bearing caps bolts.
Stage 1 one turn at a time until tight.
Stage 2 7 Nm (62 in. lbs.)
Stage 3 16 Nm (12 ft. lbs.)
Intake manifold mounting bolts 18 Nm (13 ft. lbs.)