Dimension & Clearance Specifications - Engine
General DataEngine Type 60° V-6
Displacement 3.1 L (191 cu inch)
RPO (VIN Code) L82 (M)
Bore 89 mm (3.50 inch)
Stroke 84 mm (3.31 inch)
Compression Ratio 9.5:1
Oil Pressure 103 kPa (15 psi @ 1100 RPM)
Cylinder Bore
Diameter 89.016 - 89.034 mm (3.5046 - 3.5053 inch)
Out Of Maximum 0.014 mm (0.0005 inch)
Taper - Thrust Side Maximum 0.020 mm (0.0008 inch)
Piston
Diameter - Gaged On The Skirt 12 mm Below The Centerline Of The Piston Pin Bore 88.974 - 89.001 mm (3.5029 - 3.5040 inch)
Clearance 0.032 - 0.068 mm (0.0013 - 0.0027 inch)
Pin Bore 23.006 - 23.013 mm (0.9057 - 0.9060 inch)
Piston Ring
Top Groove Side Clearance 0.05 - 0.085 mm (0.002 - 0.0033 inch)
Second Groove Side Clearance 0.05 - 0.09 mm (0.002 - 0.0035 inch)
Top Ring Gap 0.15 - 0.36 mm (0.006 - 0.014 inch)
Second Ring Gap 0.5 - 0.71 mm (0.0197 - 0.0280 inch)
Groove Clearance 0.20 mm (0.008 inch)
Gap With Segment At 89.0 mm 0.25 - 1.27 mm (0.0098 - 0.05 inch)
Piston Pin
Diameter 22.9915 - 22.9964 mm (0.9052 - 0.9054 inch)
Clearance In Piston 0.0096 - 0.0215 mm (0.0004 - 0.0008 inch)
Fit In Rod 0.0165 - 0.0464 mm (0.0006 - 0.0018 inch)
Crankshaft
Main Journal Diameter 67.239 - 67.257 mm (2.6473 - 2.6483 inch)
Main Journal Taper 0.005 mm (0.0002 inch)
Out Of Round 0.005 mm (0.0002 inch)
Flange Runout-Max 0.04 mm (0.0016 inch)
Cylinder Block Main Bearing Bore Diameter 72.155 - 72.168 mm (2.8407 - 2.8412 inch)
Crankshaft Block Main Bearing Bore Diameter 67.289 - 67.316 (2.6492 - 2.6502 inch)
Main Bearing Clearance 0.019 - 0.064 mm (0.0008 - 0.0025 inch)
Main Thrust Bearing Clearance 0.032 - 0.077 mm (0.0012 - 0.0030 inch)
Crankshaft End Play 0.060 - 0.210 mm (0.0024 - 0.0083 inch)
Crankshaft Flange Runout-Max 0.04 mm (0.0016 inch)
Connecting Rod
Connecting Rod Bearing Journal Diameter 50.768 - 50.784 mm (1.9987 - 1.9994 inch)
Connecting Rod Bearing Journal Taper 0.005 mm (0.0002 inch)
Connecting Rod Bearing Journal Out Of Round 0.005 mm (0.0002 inch)
Connecting Rod Bearing Bore Diameter 53.962 - 53.984 mm (2.124 - 2.125 inch)
Connecting Rod Inside Bearing Diameter 50.812 - 50.850 mm (2.000 - 2.002 inch)
Connecting Rod Bearing Journal Clearance 0.018 - 0.062 mm (0.0007 - 0.0024 inch)
Connecting Rod Side Clearance 0.18 - 0.44 mm (0.007 - 0.017 inch)
Camshaft
Lobe Lift (Intake and Exhaust) 6.9263 mm (0.2727 inch)
Journal Diameter 47.45 - 47.48 (1.868 - 1.869 inch)
Camshaft Bearing Bore Diameter-Front and Rear 51.03 - 51.08 mm (2.009 - 2.011 inch)
Camshaft Bearing Bore Diameter-Middle #2 and #3 50.77 - 50.82 mm (1.999 - 2.001 inch)
Camshaft Bearing Inside Diameter 47.523 - 47.549 mm (1.871 - 1.872 inch)
Journal Clearance 0.026 - 0.101 mm (0.001 - 0.0039 inch)
Journal Runout-Max 0.025 mm (0.001 inch)
Valve System
Roller Lifter Hydraulic
Rocker Arm Ratio 1.60:1
Valve Face Angle 45°
Seat Angle 45°
Valve Seat Runout 0.025 mm (0.001 inch)
Seat Width-Intake 1.55 - 1.80 mm (0.061 - 0.071 inch)
Seat Width-Exhaust 1.70 - 2.0 mm (0.067 - 0.079 inch)
Valve Margin - Minimum Intake 2.10 mm (0.083 inch)
Valve Stem Clearance 0.026 - 0.068 mm (0.0010 - 0.0027 inch)
Valve Spring
Valve Springs Free Length 48.5 mm (1.89 inch)
Valve Springs Load (Closed) 320 N @ 43.2 mm (75 lbs. @ 1.701 inch)
Valve Springs Load (Open) 1036 N @ 32 mm (230 lbs. @ 1.260 inch)
Installed Height Intake-Exhaust 43.2 mm (1.701 inch)
Approx. # or coils 6.55
Oil Pump
Gear Lash 0.094 - 0.195 mm (0.0037 - 0.0077 inch)
Gear Pocket Depth 30.52 - 30.58 (1.202 - 1.204 inch)
Gear Pocket Diameter 38.176 - 38.226 mm (1.503 - 1.505 inch)
Gear
Length 30.45 - 30.48 mm (1.199 - 1.200 inch)
Diameter 38.05 - 38.10 mm (1.498 - 1.50 inch)
Side Clearance 0.038 - 0.088 mm (0.001 - 0.003 inch)
End Clearance 0.040 - 0.125 mm (0.002 - 0.005 inch)
Valve To Bore Clearance 0.038 - 0.089 mm (0.0015 - 0.0035 inch)