System Specifications

Forged Connecting Rod Cap-Nuts 54 Nm + 1/4 turn (40 ft. lbs. +1/4 turn)
Cracked Connecting Rod (Refer to Connecting Rod, Engine)
Crankshaft Main Bearing Cap-Bolts 41 Nm +1/4 turn (30 ft. lbs. +1/4 turn)
Crankshaft Main Bearing Cap Cross Bolts (3.8L) 61 Nm (45 ft. lbs.)
Crankshaft Oil Seal Retainer Rear-Bolts 12 Nm (105 inch lbs.)
Crankshaft Damper-Bolt 54 Nm (40 ft. lbs.)
Cylinder Block Drain Plugs 20 Nm (15 ft. lbs.)


Displacement 3.8L 3.8 Liters (231 cu. inch)
Bore 3.8L 96.0 mm (3.779 cu. inch)
Stroke 87 mm (3.425 inch)
Compression Ratio 3.8L 9.6:1
Firing Order 1-2-3-4-5-6
Compression Pressure Minimum 689.5 kPa (100 psi.)
Cylinder Compression (Maximum Difference Between Cylinders 25%
CYLINDER BLOCK
Cylinder Bore Diameter (Standard) 3.8L 95.993 - 96.007 mm (3.7792 - 3.780 inch)
Out of Round (Service Limits) 0.076 mm (0.003 inch)
Taper (Service Limits) 0.051 mm (0.002 inch)
Lifter Bore Diameter 22.980 - 23.010 mm (0.905 - 0.906 inch)
Deck Surface Flatness (Maximum) 0.1 mm (0.004 inch)
CRANKSHAFT
Connecting Rod Journal 57.979 - 58.005 mm (2.2827 - 2.2837 inch)
Diameter Main Bearing Journal Diameter 63.993 - 64.013 mm (2.5194 - 2.5202 inch)
Journal Out-of-Round (Maximum) 0.025 mm (0.001 inch)
Journal Taper (Maximum) 0.025 mm (0.001 inch)
End Play 0.09 - 0.24 mm (0.0036 - 0.0095 inch)
Wear Limit 0.381 mm (0.015 inch)
Main Bearing Diametrical Clearance 1-2-3-4 0.011 - 0.055 mm (0.0005 - 0.0022 inch)
Wear Limit 0.076 mm (0.003 inch)
CONNECTING RODS
Bearing Clearance 0.019 - 0.065 mm (0.017 - 0.020 inch)
Wear Limit 0.074 mm (0.003 inch)
Side Clearance 0.13 - 0.32 mm (0.005 - 0.013 inch)
Wear Limit 0.38 mm (0.015 inch)
PISTONS
Piston Diameter 3.8L-Measured 33.01 mm (1.30 inch) From Piston Top 95.968 - 95.998 Nm (3.778 - 3.779 inch)
Clearance in Bore @ Size Location (New) -0.005 - 0.039 mm (-0.0002 - 0.0015 inch)
Weight 3.8L 426 ± 5 grams (15.03 ± 0.1764 ounces)
PISTON PINS
Type Press Fit in Rod (Serviced as a Assembly)
Clearance in Piston @ 21°C mm (70°F) 0.006 - 0.019 mm (0.0002 - 0.0007 inch)
Clearance in Connecting Rod Interference Fit
Diameter 22.87 - 22.88 mm (0.9007 - 0.9009 inch)
Length 3.8L 71.25 - 71.75 mm (2.805 - 2.824 inch)
PISTON RINGS
Ring End Gap
Top Compression Ring 0.18 - 0.38 mm (0.007 - 0.015 inch)
Second Compression Ring 0.28 - 0.57 mm (0.011 - 0.022 inch)
Oil Control (Steel Rails) 0.23 - 0.78 mm (0.009 - 0.030 inch)
Wear Limit
Compression Rings 1.0 mm (0.039 inch)
Wear Limit
Oil Control Steel Rails 1.88 mm (0.074 inch)
Ring Side Clearance
Top Compression Ring 3.8L 0.030 - 0.069 mm (0.0012 - 0.0027 inch)
Second Compression Ring 3.8L 0.041 - 0.085 mm (0.0016 - 0.0033 inch)
Oil Ring (Steel Ring) 0.039 - 0.200 mm (0.0015 - 0.0078 inch)
Wear Limit
Top Ring 0.10 mm (0.004 inch)
2nd Ring 0.13 mm (0.005 inch)
Oil Ring Pack 0.266 mm (0.009 inch)
Ring Width
Top Compression Ring 3.8L 1.175 - 1.190 mm (0.0462 - 0.0468 inch)
2nd Compression Ring 3.8L 1.46 - 1.49 mm (0.0575 - 0.058 inch)
Oil Ring (Steel Rails) 3.8L 0.435 - 0.510 mm (0.017 - 0.020 inch)