Dimension & Clearance Specifications - Engine
General DataEngine Type 90° V-6
Displacement 231 cu inch
Liter (VIN Code) 3.8L(K),(1)
RPO L36, L67
Bore 96.52 mm (3.8 inch)
Stroke 86.36 mm (3.4 inch)
Compression Ratio (VIN K) 9.4:1
Compression Ratio (VIN 1) 8.5:1
Lubrication System
Oil Capacity With Oil Filter Change 4.25 L (4.5 qt.)
Oil Capacity Without Oil Filter Change 3.75 L (4 qt.)
Oil Pressure @ Operating Temperature (1850 RPM) Using 10W-30 Oil 414 kPa (60 psi min)
Oil Filter Type Throw Away Element And Can
Gear Pocket Depth 11.71 - 11.75 mm (0.461 - 0.4625 inch)
Gear Pocket Diameter 89.10 - 89.20 mm (3.508 - 3.512 inch)
Inner Gear Tip Clearance 0.152 mm (0.006 inch)
Outer Gear Diameter Clearance 0.203 - 0.381 mm (0.008 - 0.015 inch)
End Clearance 0.025 - 0.089 mm (0.001 - 0.0035 inch)
Valve-to-Bore Clearance 0.038 - 0.076 mm (0.0015 - 0.003 inch)
Type of Lubrication
Main Bearings Pressure
Connecting Rods Pressure
Piston Pins Splash
Balance Shaft Bearing - Front Splash
Balance Shaft Bushing - Rear Pressure
Camshaft Bearings Pressure
Timing Chain Splash
Cylinder Walls Splash
Oil Pump Type Gerotor
Oil Pressure Sending Unit Electrical
Oil Intake Stationary
Oil Filter System Full Flow
Cylinder Bore
Diameter 96.5 mm (3.8 inch)
Out Of Round Maximum 0.0254 mm (0.0001 inch)
Taper 0.0254 mm (0.0001 inch)
Piston
Clearance (39 mm From Top Of Piston) 0.010 - 0.051 mm (0.0004 - 0.0020 inch)
Piston Ring Groove Depth
Top Compression 4.019 - 4.146 mm (0.158 - 0.163 inch)
2nd Compression 4.214 - 4.341 mm (0.0166 - 0.171 inch)
Oil Control 3.814 - 3.941 mm (0.150 - 0.155 inch)
Piston Ring End Gap
Top Compression 0.305 - 0.559 mm (0.012 - 0.022 inch)
2nd Compression 0.762 - 0.016 mm (0.030 - 0.040 inch)
Oil Control 0.254 - 0.762 mm (0.010 - 0.030 inch)
Piston Ring Side Clearance
Top Compression 0.033 - 0.079 mm (0.0013 - 0.0031 inch)
2nd Compression 0.033 - 0.079 mm (0.0013 - 0.0031 inch)
Oil Control 0.023 - 0.201 mm (0.0009 - 0.0079 inch)
Piston Ring Width
Top Compression 1.176 - 1.197 mm (0.0463 - 0.0471 inch)
2nd Compression 1.476 - 1.497 mm (0.0581 - 0.0589 inch)
Oil Control 1.854 - 2.007 mm (0.073 - 0.079 inch)
Piston Pin
Diameter 21.9950 - 22.0000 mm (0.8659 - 0.8661 inch)
Clearance In Piston 0.0020 - 0.0130 mm (0.00008 - 0.00051 inch)
Fit In Rod 0.0066 - 0.0217 mm (0.0003 - 0.0009 inch)
Crankshaft
Main Journal Diameter-All 63.470 - 63.495 mm (2.4988 - 2.4998 inch)
Rod Journal Diameter-All 57.1170 - 57.1475 mm (2.2487 - 2.2499 inch)
Main Journal Taper-Maximum 0.0076 mm (0.0003 inch)
Rod Journal Taper-Maximum 0.0076 mm (0.0003 inch)
Main Journal Out-Of-Round-Maximum 0.0076 mm (0.0003 inch)
Rod Journal Out-Of-Round-Maximum 0.0076 mm (0.0003 inch)
Main Bearing To Journal Clearance 1 0.0178 - 0.0406 mm (0.0007 - 0.0016 inch)
Main Bearing To Journal Clearance 2 and 3 0.0254 - 0.0508 mm (0.0010 - 0.0020 inch)
Main Bearing To Journal Clearance 4 0.0229 - 0.0457 mm (0.0009 - 0.0018 inch)
Rod Bearing Clearance 0.0127 - 0.0660 mm (0.0005 - 0.0026 inch)
Crankshaft End Play 0.076 - 0.276 mm (0.003 - 0.011 inch)
Connecting Rod
Rod Side Clearance 0.102 - 0.508 mm (0.004 - 0.0200 inch)
Connecting Rod Large End Bore ID 60.295 - 60.312 mm (2.37378 - 2.3745 inch)
Camshaft
Journal Diameter 47.655 - 46.858 mm (1.8462 - 1.8448 inch)
Bearing Inside Diameter 1 and 4 46.970 - 46.934 mm (1.8428 - 1.8492 inch)
Bearing Inside Diameter 2 and 3 46.977 - 46.942 mm (1.8481 - 1.8495 inch)
Bearing-To-Journal Clearance 0.041 - 0.119 mm (0.0016 - 0.0047 inch)
Intake Maximum Lobe Lift 6.55 mm (0.258 inch)
Exhaust Maximum Lobe Lift 6.48 mm (0.255 inch)
Balance Shaft
End Play 0.0 - 0.171 mm (0.0 - 0.0067 inch)
Rear Journal Diameter 38.085 - 38.105 mm (1.4994 - 1.5002 inch)
Radial Play-Front, Bearing Clearance 0.0 - 0.026 mm (0.0 - 0.0010 inch)
Rear Bearing To Journal Clearance 0.0127 - 0.109 mm (0.0005 - 0.0043 inch)
Drive Gear Lash 0.050 - 0.125 mm (0.002 - 0.0049 inch)
Bearing Bore Diameter-Front 51.973 - 51.999 mm (2.0462 - 2.0472 inch)
Bearing Bore Diameter-Rear, In Block 47.584 - 47.612 mm (1.8735 - 1.8745 inch)
Bearing Inside Diameter-Rear 38.118 - 38.194 mm (1.5007 - 1.5037 inch)
Valve System
Lifter Hydraulic
Rocker Arm Ration 1.6:1
Face Angle 45°
Seat Angle 45°
Minimum Margin 0.635 mm (0.025 inch)
Seat Runout-Maximum 0.050 mm (0.002 inch)
Seat Width Intake 1.53 - 2.03 mm (0.060 - 0.080 inch)
Seat Width Exhaust 2.29 - 2.79 mm (0.090 - 0.110 inch)
Stem Height-All 49.15 - 50.17 mm (1.935 - 1.975 inch)
Stem Clearance-All 0.038 - 0.089 mm (0.0015 - 0.0032 inch)
Valve Spring
Free Length 49.78 mm (1.960 inch)
Load-Closed 334 N @ 43.69 mm (75 lbs. @ 1.72 inch)
Load-Open 1014 N @ 32.4 mm (228 lbs. @ 1.277 inch)
Installed Height 42.93 - 44.45 mm (1.690 - 1.720 inch)
Approximate Number Of Active Coils 4.48
Approximate Number Of Total coils 6.60
Flywheel
Runout-Maximum 0.38 mm (0.015 inch)