General Data

• Engine Type

90° V-6

• Displacement

231 cu  in

• Liter (VIN)

3.8L (K), (1)

• RPO

L36, L67

• Bore

96.52 mm

3.8 in

• Stroke

86.36 mm

3.4 in

• Compression Ratio (VIN K)

9.4:1

• Compression Ratio (VIN 1)

8.5:1

• Firing Order

1-6-5-4-3-2

Lubrication System

• Oil Capacity Without Filter Change

4 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 Oil Pump

• Gear Pocket Depth

11.71-11.75 mm

0.461-0.4625 in

• Gear Pocket Diameter

89.10-89.20 mm

3.508-3.512 in

• Inner Gear Tip Clearance

0.152 mm

0.006

 in

• Outer Gear Diameter Clearance

0.203-0.381 mm

0.008-0.015 in

• End Clearance

0.025-0.089 mm

0.001-0.0035 in

• Valve to Bore Clearance

0.038-0.076 mm

0.0015-0.003 in

Type of Lubrication

• Main Bearings

Pressure

• Connecting Rods

Pressure

• Piston Pins

Splash

• 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 in

• Out Of Round Maximum

0.0254 mm

0.001 in

• Taper

0.0254 mm

0.001 in

Piston

• Clearance (39 mm from top of piston)

0.010-0.051 mm

0.0004-0.0020 in

Piston Ring Groove Depth

• Top Compression

4.019-4.146 mm

0.158-0.163 in

• 2nd Compression

4.214-4.341 mm

0.0166-0.171 in

• Oil Control

3.814-3.941 mm

0.150-0.155 in

Piston Ring End Gap

• Top Compression

0.305-0.559 mm

0.012-0.022 in

• 2nd Compression

0.762-1.016  mm

0.030-0.040 in

• Oil Control

0.254-0.762 mm

0.010-0.030 in

Piston Ring Side Clearance

• Top Compression

0.033-0.079 mm

0.0013-0.0031 in

• 2nd Compression

0.033-0.079 mm

0.0013-0.0031 in

• Oil Control

0.023-0.201 mm

0.0009-0.0079 in

Piston Ring Width

• Top Compression

1.176-1.197 mm

0.0463-0.0471

• 2nd Compression

1.476-1.497 mm

0.0581-0.0589

• Oil Control

1.854-2.007 mm

0.073-0.079

Piston Pin

• Diameter

21.9950-22.0000 mm

0.8659-0.8661 in

• Clearance in Piston

0.0020-0.0130 mm

0.00008-0.00051 in

• Fit In Rod (Clearance)

0.0066-0.0217 mm

0.0003-0.0009 in

Crankshaft-Main Bearings

• Journal Diameter-All

63.470-63.495 mm

2.4988-2.4998 in

• Taper-Maximum

0.0008 mm

0.0003 in

• Out-of-Round-Maximum

0.0008 mm

0.0003 in

• Crankshaft Bearing Clearance

0.020-0.055 mm

0.0008-0.0022 in

• Crankshaft End Play

0.076-0.276 mm

0.003-0.011 in

Connecting Rod

• Rod Side Clearance

0.076-0.381 mm

0.003-0.015 in

• Connecting Rod Large End Bore ID

60.295-60.312 mm

2.37378-2.3745 in

Camshaft

• Journal Diameter

45.339-45.364 mm

1.7850-1.7860 in

• Bearing Inside Diameter

45.377-45.428 mm

1.7865-1.7885 in

• Bearing to Journal Clearance

0.013-0.089 mm

0.0005-0.0035 in

• Intake Maximum Lobe Lift

6.43 mm

0.250 in

• Exhaust Maximum Lobe Lift

6.48 mm

0.255 in

Balance Shaft

• End Play

0.0-0.203 mm

0.0-0.008 in

• Radial Play-Front

0.0-0.028 mm

0.0-0.0011 in

• Radial Play-Rear

0.0127-0.119 mm

0.0005-0.0047 in

• Drive Gear Lash

0.050-0.127 mm

0.002-0.005 in

• Bearing Bore Diameter-Front

51.973-51.999 mm

2.0462-2.0472 in

• Bearing Bore Diameter-Rear

49.530-49.580 mm

1.950-1.952 in

Valve System

• Lifter

Hydraulic

• Rocker Arm Ratio

1.6:1

• Face Angle

45°

• Seat Angle

45°

• Minimum Margin

0.635 mm

0.025 in

• Seat Runout-Maximum

0.050 mm

0.002 in

• Seat Width-Intake

1.53-2.03 mm

0.060-0.080 in

• Seat Width-Exhaust

2.29-2.79 mm

0.090-0.110 in

• Stem Height-All

49.15-50.17 mm

1.935-1.975 in

• Stem Clearance-All

0.038-0.089 mm

0.0015-0.0032 in

Valve Spring

• Free Length

50.32

 mm

1.981 in

• Load-Closed

356 N @

43.69

80 lb @ 1.75

• Load-Open

935 N @ 33.4

210 lb @ 1.315

• Installed Height

42.93-44.45 mm

1.690-1.720 in

• Approximate Number of Coils

4

Flywheel

• Runout-Maximum

0.38 mm

0.015 in