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Home >> Jaguar >> 2014 >> XK Base, 2D Coupe >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - V8 N/A 5.0L Petrol -- XK/X150 >> Engine - V8 N/A 5.0L Petrol >> Specifications >> Cylinder Head And Valve Train

Cylinder Head And Valve Train

ITEM SPECIFICATION
Cylinder head maximum  permitted warp (flatness specification) 0.2 mm (0.008 in)
Valve guide inner diameter (mm) 5.51 ± 0.01
Intake valve effective length (mm) (tip to gauge line) 97.63 ± 0.1
Exhaust valve effective length (mm) (tip to gauge line) 94.39 ± 0.1
Valve stem to guide clearance intake diametrical (mm) 0.022 - 0.057
Valve stem to guide clearance exhaust diametrical (mm) 0.03 - 0.065
Valve head diameter intake (mm) 36 ± 0.1
Valve head diameter exhaust (mm) 30 ± 0.1
Intake valve face angle (degrees) 44.875 ± 0.125
Exhaust valve face angle (degrees) 44.875 ± 0.125
Valve stem diameter intake (mm) 5.4705 ± 0.0075
Valve stem diameter exhaust (mm) 5.4625 ± 0.0075
Valve spring free length (mm) - inlet 43.43
Valve spring free length (mm) - exhaust 46.1
Valve spring installed height (mm) - inlet 34.49
Valve spring installed height (mm) - exhaust 35.1
Camshaft lobe lift intake (mm) 5.5 (low) 10.53 (high)
Camshaft lobe lift exhaust (mm) 9.36
Camshaft journal to cylinder head bearing surface clearance diametrical (mm) 0.025 - 0.065
Camshaft journal diameter - all positions 26.965 ± 0.01
Bearing diameter - all positions 27.01 ± 0.01
Camshaft journal maximum run out limit (mm)  
Camshaft journals to end journals 0.03
Camshaft journals to adjacent journals 0.015
Camshaft journal maximum out of round (mm) - all journals 0.005