System Specifications
SURFACE VARIATION - HEAD-TO-BLOCKDeck surface must be within service limit of 0.050 mm (0.002 in.).
CYLINDER HEAD
CAUTION: This engine was built with 2 different style cylinder head bolts. Each style bolt requires a different torque value. The bolts can be identified by the short bolt head (1) and the long bolt head (2).
If your bolt has the short head (1), use the following torque specifications:
First: All 30 Nm (25 ft. lbs.)
Second: All 61 Nm (45 ft. lbs.)
Third: All 61 Nm (45 ft. lbs.)
Fourth: All an additional 90°
CAUTION: Do not use a torque wrench for the Fourth step.
If your bolt has the long head (2), use the following torque specifications:
First: All 30 Nm (25 ft. lbs.)
Second: All 73 Nm (54 ft. lbs.)
Third: All 73 Nm (54 ft. lbs.)
Fourth: All an additional 90°
CAUTION: Do not use a torque wrench for the Fourth step.
HEAD BOLT REUSE/REPLACE
The cylinder head bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced.
INTAKE MANIFOLD
Intake Manifold Bolts 24 Nm (18 Ft. Lbs)
Camshaft Bearing Cap
M6 Bolts 12 Nm (106 in. lbs.)
M8 Bolts 30 Nm (22 ft. lbs.)
EXHAUST MANIFOLD
Exhaust Manifold-Bolts 34 Nm (25 ft. lbs.)