Cylinder Head and Valve Train
WARNING: This page is about a different variant/trim than selected.
| Item | Specification |
|---|---|
| Cylinder head gasket surface flatness | Flat within 0.150 mm (0.005 in) overall 0.050 mm (0.001 in) per 150 mm (5.905 in) x 150 mm (5.905 in) 0.025 mm (0.0009 in) per 25 mm (0.98 in) x 25 mm (0.98 in) |
| Valve guide bore inner diameter | 0.2155 -0.2167 in (5.473 -5.503 mm) |
| Valve stem diameter - intake | 0.2130 -0.2146 in (5.41 -5.45 mm) |
| Valve stem diameter - exhaust | 0.2122 -0.2138 in (5.39 -5.43 mm) |
| Valve stem-to-guide clearance - intake | 0.0009 -0.0037 in (.023 -.093 mm) |
| Valve stem-to-guide clearance - exhaust | 0.0017 -0.0044 in (.043 -.113 mm) |
| Valve head diameter - intake | 1.2748 -1.2843 in (32.38 -32.62 mm) |
| Valve head diameter - exhaust | 1.1094 -1.1189 in (28.18 -28.42 mm) |
| Valve face runout | 0.0000 -0.0020 in (-.05 mm) |
| Valve face angle | 45.5 -- 46.0 degrees |
| Valve seat runout | 0.0000 -0.0008 in (-.02 mm) |
| Valve seat angle | 44.5 -- 45.5 degrees |
| Valve spring free length (approx.) | 2.1043 in (53.45 mm) |
| Valve spring compression pressure (N @ Spec. length) | 633 -- 693 N @ 27.0 mm |
| Valve spring installed height -- Exhaust | 1.4173 in (36 mm) |
| Valve spring installed height -- Intake | 1.4567 in (37 mm) |
| Valve spring installed height pressure (N @ Spec. length) -- Exhaust | 379 -- 415 N @ 36 mm |
| Valve spring installed height pressure (N @ Spec. length) -- Intake | 350 -- 386 N @ 37 mm |
| Valve spring installed pressure -- service limit -- Exhaust | 5 % force loss @ 36 mm |
| Valve spring installed pressure -- service limit -- Intake | 5 % force loss @ 37 mm |