System Specifications

MECHANICAL SPECIFICATIONS
Displacement 109.4 cubic inch (1,793 cc)
Bore and Stroke 3.19 x 3.43 inch (81.0 x 87.0 mm)
Compression Ratio 9.4:1
Cylinder Block (Block Deck) Distortion:
Distortion 0.006 inch (0.15 mm) Maximum
Resurface Block Deck:
Maximum Material Removed 0.008 inch (0.20 mm)
Cylinder Bore Size:
Standard 3.1892 - 3.1897 inch (81.006 - 81.019 mm)
Bore +0.010 inch (0.25 mm) 3.1990 - 3.1996 inch (81.256 - 81.269 mm)
Bore +0.020 inch (0.50 mm) 3.2089 - 3.2094 inch (81.506 - 81.519 mm)
Cylinder Bore Taper:
Maximum 0.0007 inch (0.019 mm)
Cylinder Bore Out-Of-Round:
Maximum 0.0007 inch (0.019 mm)

Piston Diameter:
Standard 3.1872 - 3.1879 inch (80.954 - 80.9720 mm)
0.010 inch (0.25 mm):
Oversize 3.197 - 3.1977 inch (81.204 - 81.222 mm)
0.020 inch (0.50 mm):
Oversize 3.2069 - 3.2076 inch (81.454 - 81.472 mm)
Piston To Cylinder Wall Clearance:
Standard 0.0015 - 0.0021 inch (0.039 - 0.053 mm)
Maximum 0.006 inch (0.15 mm)
Piston Ring To Piston Ring Groove Clearance:
Top Ring:
Standard Clearance 0.002 - 0.003 inch (0.04 - 0.08 mm)
Maximum Clearance 0.006 inch (0.15 mm)
Second Ring:
Standard Clearance 0.001 - 0.003 inch (0.03 - 0.07 mm)
Maximum Clearance 0.006 inch (0.15 mm)
Piston Pin Hole Diameter 0.7872 - 0.7875 inch (19.994 - 20.002 mm)

Piston Ring End Gap:
Top Ring 0.006 - 0.011 inch (0.15 - 0.30 mm)
Second Ring 0.012 - 0.018 inch (0.30 - 0.45 mm)
Oil Rail 0.008 - 0.027 inch (0.20 - 0.70 mm)
Maximum 0.039 inch (1.0 mm)

Crankshaft Run Out At Center Journal 0.00098 inch (0.025 mm)
Crankshaft Journal Diameter:
Main:
Diameter 2.1629 - 2.1636 inch (54.938 - 54.956 mm)
Out Of Round 0.0020 inch (0.05 mm) Maximum
Crank Pin:
Diameter 1.7693 - 1.77 inch (44.940 - 44.958 mm)
Out Of Round 0.0020 inch (0.05 mm) Maximum
Crankshaft End Play 0.0032 - 0.0111 inch (0.080 - 0.282 mm)

Main Bearing Oil Clearance 0.00095 - 0.00165 inch (0.024 - 0.042 mm)
Thrust Bearing Width:
Standard 0.0985 - 0.1003 inch (2.500 - 2.550 mm)
0.010 inch (0.25 mm) Oversize 0.1034 - 0.1053 inch (2.625 - 2.675 mm)
0.020 inch (0.50 mm) Oversize 0.1083 - 0.1102 inch (2.750 - 2.800 mm)
0.030 inch (0.75 mm) Oversize 0.1132 - 0.1151 inch (2.875 - 2.925 mm)
Main Bearing Cap
Torque:
Step 1 28.9 ft. lbs. (39.2 Nm)
Step 2 Loosen Bolts
Step 3 14.5 ft. lbs. (19.6 Nm)
Step 4 + 90°
Step 5 + 60°

Connecting Rod Bearing Clearance:
Standard 0.0008 - 0.0019 inch (0.0020 - 0.05 mm)
Maximum 0.004 inch (0.10 mm)
Connecting Rod Side Clearance:
Do Not Measure Between Connecting Rod Cap And Crankshaft:
Standard 0.0044 - 0.0103 inch (0.110 - 0.262 mm)
Maximum 0.012 inch (0.30 mm)
Connecting Rod Wrist Pin:
Inside Diameter 0.9055 - 0.9063 inch (23.0 - 23.021 mm)
Oil Clearance 0.0004 - 0.0010 inch (0.010 - 0.027 mm)

Crankshaft Pulley Lock Bolt
Torque 115.7 - 122.9 ft. lbs. (156.8 - 166.6 Nm)