General Data

• RPO

LM2

• Engine Type

6-Cylinder Inline

• Displacement

3.0 L

183 cu in

• VIN

T

• Bore

84.0 mm

3.307 in

• Stroke

90.0 mm

3.543 in

• Compression Ratio

15:1

• Compression

1800 kPa (261 PSI)

• Firing Order

1–5–3–6–2–4

• Glow Plug Voltage

5.4 V

Cylinder Head

• Deck Surface Flatness at the complete length

0.10 mm

0.004 in

• Deck Surface Flatness at a length of 150x150 mm (5.9055x5.9055 in)

0.05 mm

0.0019 in

• Intake / Exhaust Valve Guide Internal Diameter

5.00 - 5.02 mm

0.197 - 0.198 in

Lubrication System

• Oil Pressure @ 1000 rpm 19 - 126°C (66 - 259°F)

152 - 218 kPa

22 - 32 psi

• Oil Pressure @ 2500 rpm 19 - 126°C (66 - 259°F)

177 - 280 kPa

26 - 41 psi

• Oil Pressure @ 4000 rpm 19 - 126°C (66 - 259°F)

320 - 400 kPa

46 - 58 psi

Valves

• Valve Stem Diameter - Exhaust

4.955 - 4.975 mm

0.195 - 0.196 in

• Valve Stem Diameter - Intake

4.965 - 4.985 mm

0.195 - 0.196 in

• Valve Face Diameter - Intake

28.09 - 28.35 mm

1.106 - 1.116 in

• Valve Face Diameter - Exhaust

24.29 - 24.55 mm

0.956 - 0.967 in

• Valve Length - Intake / Exhaust

95.17 - 95.43 mm

3.747 - 3.757 in

• Intake and Exhaust Valve Seat Angle

46.0 degrees ± 0.25 degrees

• Valve Spring - Free Length

41.64 mm

1.639 in

• Valve Spring Load @ 31.8 mm (1.252 in)

240 N

54 lbf

• Valve Spring Load @ 23.8 mm (0.937 in)

450 N

101 lbf

Engine Block

• Engine Block Height

295 mm

11.614 in

• Connecting Rod Length

140 mm

5.512 in

• Compression Height/Piston Protrusion

• Deck Surface Flatness at a length of 150 mm (3.94 in)

0.05 mm

0.001 in

• Cylinder Bore - Primary Target @ 42 mm (1.65 in) below deck surface

83.992 - 84.008 mm

3.3068 - 3.3074 in

• Cylinder Bore @ 10 mm (0.39 in) below deck surface

83.987 - 84.013 mm

3.3066 - 3.3076 in

• Cylinder Bore @ 140 mm (5.51 in) below deck surface

83.987 - 84.013 mm

3.3066 - 3.3076 in

Connecting Rod

• Connecting Rod Bushing Internal Diameter

30.02 - 30.03 mm

1.1819 - 1.1822 in

• Connecting Rod Big End Bore Diameter

54.992 - 55.008 mm

2.165 - 2.1656 in

Crankshaft

• Axial Clearance

0.084 - 0.316 mm

0.0033 - 0.0124 in

• Axial Thrust Bearing - Standard Size

2.425 - 2.475 mm

0.0955 - 0.0974 in

• Main Bearing Clearance

0.026 - 0.045 mm

0.001 - 0.0017 in

• Bearing Bore Diameter in Cylinder Block

62.993 - 63.007 mm

2.48 - 2.481 in

• Main Bearing Diameter - Standard Size

57.992 - 58.008 mm

2.2831 - 2.2838 in

• Main Bearing Thickness - Class A - 1 Line Marking

2.473 - 2.479 mm

0.0974 - 0.0976 in

• Main Bearing Thickness - Class B - 2 Line Marking

2.479 - 2.485 mm

0.0976 - 0.0978 in

• Main Bearing Thickness - Class C - 3 Line Marking

2.485 - 2.491 mm

0.0978 - 0.0981 in

• Crankshaft Journal Width for Thrust Bearing - Standard Size

30.3 - 30.9 mm

1.1929 - 1.2165 in

• Crank Pin Bearing Clearance

0.014 - 0.062 mm

0.0006 - 0.0024 in

• Crank Pin Diameter

51.992 - 52.008 mm

2.0469 - 2.0476 in

• Upper Crank Pin Bearing Thickness - Standard Size

1.477 - 1.487 mm

0.0581 - 0.0585 in

• Lower Crank Pin Bearing Thickness - Standard Size

1.477 - 1.483 mm

0.0581 - 0.0584 in

Piston Ring

• Piston Ring Closed Gap

• First Compression Ring

0.25 - 0.035 mm

0.0079 - 0.0138 in

• Second Compression Ring

1.3 - 1.5 mm

0.0512 - 0.0591 in

• Oil Control Ring

0.25 - 0.50 mm

0.0098 - 0.0197 in

• Piston Ring to Groove/Axial Clearance

• First Compression Ring

0.13 - 0.17 mm

0.0051 - 0.0067 in

• Second Compression Ring

0.055 - 0.10 mm

0.0022 - 0.0039 in

• Oil Control Ring

0.025 - 0.065 mm

0.0010 - 0.0026 in

• Piston Ring Thickness

• First Compression Ring

1.470 - 1.490 mm

0.0579 - 0.0587 in

• Second Compression Ring

1.470 - 1.495 mm

0.0579 - 0.0589 in

• Oil Control Ring

1.970 - 1.990 mm

0.0776 - 0.0784 in

Piston

• Piston Diameter

• Measured 13 mm (0.512 in) from lower piston skirt area and perpendicular to the piston pin axis

83.933 - 83.947 mm

3.3044 - 3.3050 in

• Measured 38 mm (1.496 in) from lower piston skirt area and perpendicular to the piston pin axis

83.831 - 83.849 mm

3.3004 - 3.3011 in

• Measured 68.2 mm (2.685 in) from lower piston skirt area and perpendicular to the piston pin axis

83.193 - 83.217 mm

3.2753 - 3.2763 in

• Piston Overlap

0.43 - 0.78 mm

0.0169 - 0.0307 in

• Piston Ring Groove Width - First Compression Ring

1.62 - 1.64 mm

0.0638 - 0.0646 in

• Piston Ring Groove Width - Second Compression Ring

1.55 - 1.57 mm

0.0610 - 0.0618 in

• Piston Ring Groove Width - Oil Control Ring

2.015 - 2.035 mm

0.0793 - 0.0801 in

• Piston Pin

• Piston Pin Diameter

29.995 - 30.000 mm

1.1809 - 1.1811 in

• Piston Pin Eye Diameter

30.013 - 30.018 mm

1.1816 - 1.1818 in

• Clearance Piston Pin in Piston

0.013 - 0.023 mm

0.0005 - 0.0009 in

• Clearance Piston Pin in Con Rod

0.020 - 0.035 mm

0.0008 - 0.0013 in