For 1990-2009 cars

Application | Specification
--- | ---
Metric | English
General Data

- Engine Type

60 degree V-6

- Displacement

3.4L

204 cu in

- RPO - VIN Code

LA1 (E)

- Bore

92 mm

3.62 in

- Stroke

84 mm

3.31 in

- Compression Ratio

9.6:1

- Firing Order

1-2-3-4-5-6

- Oil Pressure - Warm

103 kPa

15 psi @ 1100 RPM

Block

- Cylinder Head Deck Surface Flatness

0.05 mm per 152 mm

0.0019 in per 6 in

Cylinder Head

- Surface Flatness - Block Deck

0.08 mm per 152 mm

0.003 in per 6 in

Cylinder Bore

- Diameter

92.019-92.037 mm

3.6228-3.6235 in

- Out Of Round Maximum

0.009 mm

0.00035 in

- Taper -- Thrust Side Maximum

0.010 mm

0.0004 in

Piston - non-coated

- Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - production

91.985-92.003 mm

3.6215-3.222 in

- Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - service limit

91.955-91.973 mm

3.620-3.621 in

- Clearance - production

0.016-0.052 mm

0.0006-0.0020 in

- Clearance - service limit

0.047-0.083 mm

0.0019-0.0033 in

- Pin Bore

23.005-23.010 mm

0.9057-0.9059 in

Piston - Grafal coated

- Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - production

91.990-92.028 mm

3.6217-3.6232 in

- Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - service limit

91.950-91.988 mm

3.6201-3.6216 in

- Clearance - production

0.008-0.048 mm

0.00031-0.0019 in

- Clearance - service limit

0.032-0.088 mm

0.0013-0.0035 in

- Pin Bore

23.005-23.010 mm

0.9057-0.9059 in

Piston Ring

- Top Groove Side Clearance

0.04-0.086 mm

0.002-0.0034 in

- Second Groove Side Clearance

0.04-0.09 mm

0.002-0.0035 in

- Top Ring Gap

0.21-0.48 mm

0.008-0.019 in

- Second Ring Gap

0.54-0.86 mm

0.0213-0.0339 in

- Oil Ring Groove Clearance

0.46-0.20 mm

0.0018-0.0079 in

- Gap in Cylinder Bore

0.31-0.89 mm

0.012-0.035 in

Piston Pin

- Diameter

22.994-22.997 mm

0.9053-0.9054 in

- Clearance In Piston

0.008-0.016 mm

0.00031-0.00063 in

- Fit In Rod

-0.047 to -0.019 mm press fit

-0.0019 to -0.0007 in

Crankshaft

- Main Journal Diameter

67.239-67.257 mm

2.6473-2.6483 in

- Main Journal Taper

0.005 mm

0.0002 in

- Out Of Round - Max

0.005 mm

0.0002 in

- Flange Runout - Max

0.04 mm

0.0016 in

- Cylinder Block Main Bearing Bore Diameter

72.155-72.168 mm

2.8407-2.8412 in

- Crankshaft Main Bearing Inside Diameter

67.289-67.316 mm

2.6492-2.6502 in

- Main Bearing Clearance

0.019-0.064 mm

0.0008-0.0025 in

- Main Thrust Bearing Clearance

0.032-0.077 mm

0.0012-0.0030 in

- Crankshaft End Play

0.060-0.210 mm

0.0024-0.0083 in

- Crankshaft Flange Runout - Max

0.04 mm

0.0016 in

Connecting Rod

- Rod Bearing Journal Diameter

50.768-50.784 mm

1.9987-1.9994 in

- Rod Bearing Journal Taper - Max

0.005 mm

0.0002 in

- Rod Bearing Journal Out Of Round - Max

0.005 mm

0.0002 in

- Rod Bearing Bore Diameter

53.962-53.984 mm

2.124-2.125 in

- Rod Inside Bearing Diameter

50.812-50.850 mm

2.000-2.002 in

- Rod Bearing Journal Clearance

0.018-0.062 mm

0.0007-0.0024 in

- Rod Side Clearance

0.18-0.44 mm

0.007-0.017 in

Camshaft

- Lobe Lift - Intake and Exhaust

6.9263 mm

0.2727 in

- Journal Diameter

47.45-47.48 mm

1.868-1.869 in

- Camshaft Bearing Bore Diameter-Front and Rear

51.03-51.08 mm

2.009-2.011 in

- Camshaft Bearing Bore Diameter-Middle #2 and #3

50.77-50.82 mm

1.999-2.001 in

- Camshaft Bearing Inside Diameter

47.523-47.549 mm

1.871-1.872 in

- Journal Clearance

0.026-0.101 mm

0.001-0.0039 in

- Journal Runout - Max

0.025 mm

0.001 in

Valve System

- Roller Lifter

Hydraulic

- Rocker Arm Ratio

1.60:1

- Valve Face Angle

45 degrees

- Seat Angle

46 degrees

- Valve Seat Runout

0.050 mm

0.002 in

- Seat Width-Intake

1.55-1.80 mm

0.061-0.071 in

- Seat Width-Exhaust

1.70-2.0 mm

0.067-0.079 in

- Valve Margin - Minimum Intake

2.10 mm

0.083 in

- Valve Margin - Minimum Exhaust

2.70 mm

0.106 in

- Valve Stem Clearance

0.026-0.068 mm

0.0010-0.0027 in

Valve Spring

- Valve Springs Free Length

48.5 mm

1.89 in

- Valve Springs Load - Closed

320 N @ 43.2 mm

75 lb @ 1.701 in

- Valve Springs Load - Open

1036 N @ 32 mm

230 lb @ 1.260 in

- Installed Height Intake-Exhaust

43.2 mm

1.701 in

- Approximate number of coils

6.55

Oil Pump

- Gear Lash

0.094-0.195 mm

0.0037-0.0077 in

- Gear Pocket Depth

30.52-30.58 mm

1.202-1.204 in

- Gear Pocket Diameter

38.176-38.226 mm

1.503-1.505 in

Oil Pump Gear

- Length

30.45-30.48 mm

1.199-1.200 in

- Diameter

38.05-38.10 mm

1.498-1.500 in

- Side Clearance

0.038-0.088 mm

0.001-0.003 in

- End Clearance

0.040-0.125 mm

0.002-0.005 in

- Valve to Bore Clearance

0.038-0.089 mm

0.0015-0.0035 in