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General Data: All dimensions are in millimeters |
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Type |
60 degree V6 |
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Displacement |
2.8L |
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RPO |
LL2 |
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Bore |
89.0 |
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Stroke |
76.0 |
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Deck Height |
224 |
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Compression Ratio |
8.9:1 |
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Firing Order |
1-2-3-4-5-6 |
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Oil Pressure |
69 kPa @500 RPM; 205-380 kPa @ 2000 RPM (10 psi @ 500 RPM; 30-55 psi @ 2000R RPM) |
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Cylinder Bore: |
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Diameter |
88.992-89.070 |
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Out of Round |
0.02 (Maximum) |
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Taper - Thrust Side |
0.02 (Maximum) |
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Piston: |
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Clearance |
0.017-0.043 |
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Piston Ring: |
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COMPRESSION |
Groove Clearance |
Top |
0.030-0.070 |
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Second |
0.040-0.095 |
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Gap |
Top |
0.25-0.50 |
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Second |
0.25-0.50 |
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OIL |
Groove Clearance |
0.199 (Maximum) |
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Gap |
0.27-1.25 |
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Piston Pin: |
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Diameter |
22.9937-23.0015 |
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Clearance |
0.0065-0.0091 |
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Fit in Rod |
0.0187-0.0515 (Press) |
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Crankshaft: |
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Main Journal |
Diameter - 3 Dots |
67.241-67.249 |
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Diameter - 2 Dots |
67.249-67.257 |
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Diameter - 1 Dot |
67.257-67.265 |
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Taper |
0.005 (Maximum) |
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Out Of Round |
0.005 (Maximum) |
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Main Bearing Clearance |
0.032-0.069 |
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Crankshaft End Play |
0.06-0.21 |
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Crankpin |
Diameter - 2 Dots |
50.758-50.771 |
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Diameter - 1 Dot |
50.771-50.784 |
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Taper |
0.005 (Maximum) |
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Out of Round |
0.005 (Maximum) |
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Rod Bearing Clearance |
0.028-0.083 |
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Rod Side Clearance |
0.36-0.60 |
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Camshaft: |
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Lift |
Intake |
6.65 |
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Exhaust |
6.94 |
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Journal Diameter |
47.44-47.49 |
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Journal Clearance |
0.026-0.101 |
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Valve System: |
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Lifter |
Hydraulic |
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Rocker Arm Ratio |
1.50:1 |
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Valve Lash |
Intake |
1-1/2 Turns Down from Zero Lash |
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Exhaust |
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Face Angle (Intake & Exhaust) |
45 degrease |
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Seat Angle (Intake & Exhaust) |
46 degrease |
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Seat Runout (Intake & Exhaust) |
0.05 |
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Seat Width |
Intake |
1.25-1.50 |
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Exhaust |
1.60-1.90 |
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Stem Clearance |
0.026-0.068 |
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Valve Spring |
Free Length |
48.5 |
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Pressure N @ mm |
Closed |
391 @ 40 |
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Open |
867 @30 |
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Installed Height |
40 |
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Valve Spring Damper |
Free Length |
*47.2 |
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Approx # of Coils |
4 |
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Fastener Tightening Specifications
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Item |
Nm |
Ft Lbs |
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Air Injection Tube |
34 |
25 |
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Air Injection Tube Nut |
25 |
18 |
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Camshaft Sprocket Bolts |
23 |
17 |
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Connecting Rod Bolt Nuts |
53 |
39 |
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Coolant Outlet Bolts |
21 |
15 |
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Coolant Pump Bolts (M6 x 10) |
10 |
7 |
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Coolant Pump Bolts (M8 x 125) |
24 |
18 |
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Coolant Pump Nut |
10 |
7 |
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Cylinder Head Bolts (In Sequence) |
95 |
70 |
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*Manifold Side* 6 2 3 7 5 1 4 8 * Outer Side * * |
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EGR Valve |
25 |
18 |
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Exhaust Manifold Bolts |
34 |
25 |
| Front Cover Bolts | * | |
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*** -10mm Bolt (4) |
50 |
37 |
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*** -8mm Bolt (6) |
30 |
22 |
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Flywheel Bolts |
70 |
52 |
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Intake Manifold Bolts (In Sequence) |
21 |
15 |
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H D A E I < Front G C B F J |
* | |
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Main Bearing Cap Bolts |
95 |
70 |
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Oil Filter Adapter |
85 |
63 |
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Oil Pump Bolt |
41 |
30 |
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Oil Pan Bolts (Rear Two) |
25 |
18 |
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Oil Pan Bolts, Studs and Nuts |
10 |
7 |
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Oil Pan Drain Plug |
25 |
18 |
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Oil Pump Cover Screws |
9 |
7 |
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Rocker Arm Cover Bolts |
8 |
6 |
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Rocker Arm Studs |
65 |
48 |
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Spark Plugs |
30 |
22 |
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Timing Chain Damper |
21 |
15 |
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Tortional Damper Bolt |
95 |
70 |