Announcement

Collapse
No announcement yet.

3100 (Gen 3) Specifications : L82

Collapse
X
Collapse

  • 3100 (Gen 3) Specifications : L82

    Application

    Specification

    Metric

    English

    General Data
    Engine Type

    60 V-6

    Displacement

    3.1L

    191 cu in

    RPO (VIN Code)

    L82 (M)

    Bore

    89*mm

    3.50*in

    Stroke

    84*mm

    3.31*in

    Deck Height

    224 mm

    8.818 in

    Compression Ratio

    9.5:1

    Firing Order

    1-2-3-4-5-6

    Oil Pressure

    103 kPa

    15 psi @ 1100 RPM

    Cylinder Bore
    Diameter

    89.016-89.034*mm

    3.5046-3.5053*in

    Out Of Round Maximum

    0.014*mm

    0.0005*in

    Taper -- Thrust Side Maximum

    0.020*mm

    0.0008*in

    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*in

    Clearance

    0.032-0.068*mm

    0.0013-0.0027*in

    Pin Bore

    23.006-23.013*mm

    0.9057-0.9060*in

    Piston Ring
    Top Groove Side Clearance

    0.05-0.085*mm

    0.002-0.0033*in

    Second Groove Side Clearance

    0.05-0.09*mm

    0.002-0.0035*in

    Top Ring Gap

    0.15-0.36*mm

    0.006-0.014*in

    Second Ring Gap

    0.5-0.71*mm

    0.0197-0.0280*in

    Groove Clearance

    0.20*mm

    0.008 in*in

    Gap with segment at 89.0*mm

    0.25-1.27*mm

    0.0098-0.05*in

    Piston Pin
    Diameter

    22.9915-22.9964*mm

    0.9052-0.9054*in

    Clearance In Piston

    0.0096-0.0215*mm

    0.0004-0.0008*in

    Fit In Rod

    0.0165-0.0464*mm

    0.0006-0.0018*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

    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

    Crankpin
    Rod Bearing Journal Diameter

    50.768-50.784*mm

    1.9987-1.9994*in

    Rod Bearing Journal Taper

    0.005*mm

    0.0002*in

    Rod Bearing Journal Out Of Round

    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

    Seat Angle

    45

    Valve Seat Runout

    0.025*mm

    0.001*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

    Approx. # or 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

    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

    Fastener Tightening Specifications (L82)

    Application

    Nm

    Lb Ft

    Lb In

    Accelerator Control Cable Bracket Bolt

    14

    --

    125

    Accelerator Control Cable Bracket Nut

    10

    --

    89

    Camshaft Position Sensor Bolt

    10

    --

    89

    Camshaft Sprocket Bolt

    110

    81

    --

    Camshaft Thrust Plate Bolt

    10

    --

    89

    Connecting Rod Cap Nut

    20 +75

    15 +75

    --

    Coolant Drain Plug

    19

    14

    --

    Coolant Outlet Bolt

    25

    18

    --

    Coolant Pump Bolt

    10

    --

    89

    Coolant Pump Pulley Bolt

    25

    18

    --

    Crankshaft Balancer Bolt

    103

    76

    --

    Crankshaft Oil Deflector Nut

    25

    18

    --

    Crankshaft Position Sensor Bolt - Front Cover

    10

    --

    89

    Crankshaft Position Sensor Bolt - Side of Blocks

    11

    --

    98

    Cylinder Head Bolt

    45 +90

    33 +90

    --

    EGR Adapter Pipe to Exhaust Manifold Nut

    25

    18

    --

    EGR to Adapter Pipe Bolt

    25

    18

    --

    Electronic Ignition Control Module Bracket Bolt

    25

    18

    --

    Electronic Ignition Control Module Bracket Nut

    25

    18

    --

    Engine Coolant Temperature Sensor

    23

    17

    --

    Engine Mount Bracket Bolt

    58

    43

    --

    Engine Mount to Bracket Nut

    47

    35

    --

    Engine Mount to Frame Bracket Nut

    43

    32

    --

    Engine Mount Strut Nut

    48

    35

    --

    Engine Mount Strut Bracket Bolt - Engine Right Side

    50

    37

    --

    Engine Mount Strut Bracket Bolt - Engine Left Side

    70

    52

    --

    Engine Mount Strut Bracket Bolt - Upper Radiator Support

    26

    19

    --

    Exhaust Crossover Pipe Nut

    25

    18

    --

    Exhaust Crossover Pipe Heat Shield Bolt

    10

    --

    89

    Exhaust Manifold Nut

    16

    12

    --

    Exhaust Manifold Heat Shield Bolt

    10

    --

    89

    Exhaust Manifold Stud

    16

    12

    --

    Flywheel Bolt

    83

    61

    --

    Front Cover Bolt - Large

    47

    35

    --

    Front Cover Bolt - Small

    21

    15

    --

    Fuel Injector Rail Bolt

    10

    --

    89

    Fuel Pipe Bracket Bolt

    50

    37

    --

    Fuel Pipe Bracket Stud

    50

    37

    --

    Fuel Pipe Fitting

    17

    13

    --

    Fuel Pipe Retaining Clip Bolt

    10

    --

    89

    Generator Bracket Bolt

    50

    37

    --

    Heater Inlet Pipe Nipple

    30

    22

    --

    Heater Inlet Pipe Nut

    25

    18

    --

    Heater Inlet Pipe Stud

    25

    18

    --

    Knock Sensor

    19

    14

    --

    Lower Intake Manifold Bolt

    13

    --

    115

    MAP Sensor Bolt

    4

    --

    36

    Oil Gallery Plug - 1/4 in

    19

    14

    --

    Oil Gallery Plug - 3/8 in

    33

    24

    --

    Oil Filter

    13

    --

    115

    Oil Filter By-pass Plug

    19

    14

    --

    Oil Filter Fitting

    39

    29

    --

    Oil Filter Cooler Connector

    50

    37

    --

    Oil Level Indicator Assembly Bolt

    25

    18

    --

    Oil Level Sensor

    10

    --

    89

    Oil Pan Retaining Bolt

    25

    --

    18

    Oil Pan Side Bolt

    50

    37

    --

    Oil Pan Drain Plug

    25

    18

    --

    Oil Pressure Switch

    13

    --

    115

    Oil Pump Bolt

    41

    30

    --

    Oil Pump Cover Bolt

    10

    --

    89

    Oil Pump Drive Assembly Bolt

    36

    27

    --

    Rear Engine Lift Bracket Bolt

    50

    37

    --

    Rocker Arm Bolt

    10 +30

    --

    89 +30

    Rocker Cover Retaining Bolt (Finger Tighten All Bolts First)

    10

    --

    89

    Spark Plug

    20

    15

    --

    Throttle Body Bolt

    25

    18

    --

    Timing Chain Dampener Bolt

    21

    15

    --

    Upper Intake Manifold Bolt

    25

    18

    --

    Upper Intake Manifold Stud

    25

    18

    --

    Valve Lifter Guide Bolt

    10

    --

    89

      Posting comments is disabled.

    Article Tags

    Collapse

    There are no tags yet.

    Latest Articles

    Collapse

    • 3x00 Exploded View
      bszopi
      The 3x00 Exploded View is a breakdown off the entire engine assembly. If you move your mouse over the number corresponding to a specific part, the part name will be displayed. By clicking on the number, you will be taken to a page that goes into further details on the part....
      10-07-2010, 12:46 AM
    • 3100 (Gen 3) Specifications : LG8
      bszopi
      ...
      06-15-2010, 05:48 PM
    • 3100 (Gen 3) Specifications : L82
      bszopi
      ...
      06-15-2010, 05:42 PM
    • Pushrod Location
      SappySE107
      Pushrods are valve specific on all Gen 2 and newer pushrod motors. The following are when you are standing in front of the radiator, looking at the engine. In a FWD configuration the order for the rear head from left to right is Exhaust, Intake, Exhaust, Intake, Intake, Exhaust. The front head from left to right is Exhaust, Intake, Exhaust, Intake, Intake, Exhaust. If you are working with a RWD configuration, the left head from front to back is Exhaust, Intake, Exhaust, Intake, Intake, Exhaust. The right head is Exhaust, ...
      04-13-2010, 09:10 PM
    Working...
    X