System Specifications
SURFACE VARIATION - HEAD-TO-BLOCKInspect the cylinder head for out-of-flatness, using a straightedge and a feeler gauge. If tolerances exceed 0.0508 mm (0.002 in.) replace the cylinder head.
CYLINDER BORE
Cylinder Bore Diameter 103 mm (4.055 in.)
Out of Round (MAX) 0.008 mm (0.0003 in.)
Taper (MAX) 0.0127 mm (0.0005 in.)
Lifter Bore Diameter 21.45 - 21.425 mm (0.8444 - 0.8435 in.)
CRANKSHAFT
Main Bearing Journal Diameter 64.988 - 65.012 mm (2.5585 - 2.5595 in.)
Bearing Clearance 0.023 - 0.051 mm (0.0009 - 0.002 in)
Out-of-Round (MAX) 0.005 mm (0.0002 in.)
Taper (MAX) 0.003 mm (0.0001 in.)
End Play 0.052 - 0.282 mm (0.002 - 0.011 in.)
End Play(MAX) 0.282 mm (0.011 in.)
MAIN BEARING
Main Bearing Journal Diameter 64.988 - 65.012 mm (2.5585 - 2.5595 in.)
Bearing Clearance 0.023 - 0.051 mm (0.0009 - 0.002 in)
Out-of-Round (MAX) 0.005 mm (0.0002 in.)
Taper (MAX) 0.003 mm (0.0001 in.)
End Play 0.052 - 0.282 mm (0.002 - 0.011 in.)
End Play(MAX) 0.282 mm (0.011 in.)
Main Bearing Cap bolts M12 28 Nm plus 90° turn (21 ft. lbs.) plus 90° turn.
Crossbolts M-8 28 Nm ( 21 ft. lbs.).
MAIN BEARING SELECTION CHART - 5.7 - 6.1L
CONNECTING ROD
Connecting Rod Cap Bolts 45 Nm plus 60° turn (33 ft. lbs.) plus 60° turn.
Side Clearance 0.10 - 0.35 mm (0.003 - 0.0137 in.).
Connecting Rod Journal Diameter 53.992 - 54.008 mm (2.125 - 2.126 in.).
PISTON DIMENSIONS AND CLEARANCES
Clearance 0.0245 - 0.0515 mm (0.00096 - 0.0020 in.).
Measured at 38.0 mm (1.5 in.) Below Deck
Ring Groove Diameter
Groove #1 93.1 - 93.4 mm (3.665 - 3.677 in.)
Groove #2 91.6 - 91.8 mm (3.606 - 3.614 in.)
Weight 435 grams (15.34 oz.).
Piston Length 54.70 - 55.30 mm (2.153 - 2.177 in.).
Ring Groove Width
No.1 1.51 - 1.54 mm (0.0594 - 0.0606 in.)
No.2 1.51 - 1.53 mm (0.0594 - 0.0602 in.)
No.3 3.030 - 3.055 mm (0.1192 - 0.1202 in.)
PISTON PINS
Clearance in Piston 0.006 - 0.015 mm (0.00023 - 0.00059 in.)
Diameter 25.0 - 25.003 mm (0.9843 - 0.9844 in.).
Length 64.785 - 65.215 mm (2.551 - 2.568 in.).
PISTON RING GAP & GROOVE CLEARANCE
Ring Gap:
Top Compression Ring 0.30 - 0.40 mm (0.0118 - 0.0157 in.).
Second Compression Ring 0.35 - 0.60 mm (0.0137 - 0.0236 in.).
Oil Control (Steel Rails) 0.20 - 0.71 mm (0.0079 - 0.028 in.).
Side Clearance:
Top Compression Ring 0.02 - 0.068 mm (0.0007 - 0.0026 in.).
Second Compression Ring 0.02 - 0.058 mm (0.0007 - 0.0022 in.).
Oil Ring (Steel Ring) 0.019 - 0.229 mm (0.0007 - 0.0091 in.).
CRANKSHAFT PULLEY TORQUE
Vibration Damper Bolt 176 Nm (129 ft. lbs.).