HOME Table 3-6. Cylinder Heads ITEM MM IN Valve guide in head Max 0.051 0.002 (interference fit) Min 0.022 0.0009 Valve seat in head Max 0.100 0.0039 (interference fit) Min 0.059 0.002 Head gasket sur- 0.020 0.0008 face (flatness) Valve-to-guide run- Max 0.0585 0.0023 ning clearance - Min 0.0285 0.0011 intake Valve-to-guide run- Max 0.0685 0.0026 ning clearance - Min 0.0385 0.0015 exhaust Valve guide I.D. Max 6.015 0.2368 Min 6.000 0.2362 Valve stem dia- Intake meter Max 5.9715 0.2351 Min 5.9565 0.2345 Exhaust Max 5.9615 0.2347 Min 5.9465 0.2341 Table 3-6.
Cylinder Heads ITEM MM IN Spring force Outer @ 39 mm (1.535 in.) max installed Max 20.80 45.86 Min 18.97 41.88 Inner @37 mm (1.457 in.) max Max 11.31 24.95 Min 10.10 22.26 Maximally com- Outer pressed (intake and Max 66.58 146.80 exhaust) Min 60.87 134.22 Inner Max 34.15 75.31 Min 31.10 68.57 Table 3-7. Cam Drive ITEM DATA Intake 112 ± 1° Exhaust 106 ± 1° Total intake lift 10.9 mm (0.4291 in.) Duration, intake @ 1 mm 248° Total exhaust lift 9.98 mm (0.3929 in.) Duration, exhaust @ 1 mm 206° Table 3-8.
Piston Ring Gap ITEM MM Valve guide in head (interference fit) Max 0.051 Min 0.022 Valve seat in head (interference fit) Max 0.100 Min 0.059 Head gasket sur- face (flatness) 0.020 Valve-to-guide run- ning clearance - intake Max 0.0585 Min 0.0285 Valve-to-guide run- ning clearance - exhaust Max 0.0685 Min 0.0385 Valve guide I.D.
Max 6.015 Min 6.000 Valve stem dia- meter Max 5.9615 Min 5.9465 Valve to guide run- ning clearance Intake Max 0.0585 0.0023 Min 0.0285 Exhaust 0.0011 DATA Min 0.0385 0.550 mm (0.022 in.) Valve seat to cyl- inder head press Max 0.0100 0.350 mm (0.014 in.) Min 0.0590 0.650 mm (0.026 in.) Valve seat run-out Max 0.0050 0.400 mm (0.016 in.) Valve seat to guide run-out Max 0.0200 0.890 mm (0.035 in) Valve spring free length 0.380 mm Max 43.770 Valve spring installed height Max 37.000 Cylinder head flat- ness Max 0.0200 Intake valve stem protrusion Max 44.771 Min 44.171 Exhaust valve stem protrusion Max 43.893 Min 43.293 MM IN Outer @ 39 mm (1.535 in.) max Max 20.80 45.86 Min 18.97 41.88 Inner @37 mm (1.457 in.) max Max 11.31 24.95 Min 10.10 22.26 24.95 22.26 Outer d Max 66.58 146.80 Min 60.87 134.22 Inner Max 34.15 75.31 Min 31.10 68.57 75.31 68.57 DATA 112 ± 1° 106 ± 1° 10.9 mm (0.4291 in.) 248° haust lift 9.98 mm (0.3929 in.) mm 206° MM IN e Max 22.028 Min 22.018 0.8672 0.8669 SC Service:
Engine 3-3