|
2.8L (Gen II) Engine Specifications
|
General Data:
All dimensions are in millimeters |
|
Type |
60 degree V6 |
|
Displacement |
2.8L |
|
RPO |
LB6 |
|
Bore |
89.0 |
|
Stroke |
76.0 |
|
Deck Height |
224 |
|
Compression Ratio |
8.9:1 |
|
Firing Order |
1-2-3-4-5-6 |
|
Oil Pressure |
69 kPa @500
RPM; 205-380 kPa @ 2000 RPM
(10 psi @ 500 RPM;
30-55 psi @ 2000R RPM) |
|
Cylinder
Bore: |
|
Diameter |
88.983-89.017 |
|
Out of Round |
0.013 (Maximum) |
|
Taper - Thrust
Side |
0.013 (Maximum) |
|
Piston: |
|
Clearance |
0.023-0.056 |
|
Piston Ring: |
|
COMPRESSION |
Groove Clearance
|
Top |
0.051.089 |
|
Second |
0.051.089 |
|
Gap |
Top |
0.25-0.50 |
|
Second |
0.25-0.50 |
|
OIL |
Groove Clearance |
0.199
(Maximum) |
|
Gap |
0.25-076 |
|
Piston Pin: |
|
Diameter |
22.992-22.997
|
|
Clearance |
0.0064-0.0091 |
|
Fit in Rod |
Press |
|
Crankshaft: |
|
Main
Journal |
Diameter |
67.241-67.267 |
|
Taper |
0.005 (Maximum) |
|
Out Of Round |
0.005 (Maximum) |
|
Main Bearing
Clearance |
0.030-0.069 |
|
Crankshaft End
Play |
0.05-0.20 |
|
Crankpin
|
Diameter |
50.757-50.785 |
|
Taper |
0.005 (Maximum) |
|
Out of Round |
0.005 (Maximum) |
|
Rod Bearing
Clearance |
0.036-0.091 |
|
Rod Side
Clearance |
0.36-0.68 |
|
Camshaft: |
|
Lift |
Intake |
6.67 |
|
Exhaust |
6.93 |
|
Journal Diameter |
47.442-47.790 |
|
Journal Clearance |
0.02-0.10 |
|
Valve System: |
|
Lifter |
Hydraulic |
|
Rocker Arm Ratio |
1.50:1 |
|
Valve
Lash |
Intake |
1-1/2 Turns Down from Zero Lash
|
|
Exhaust |
|
Face Angle
(Intake & Exhaust) |
45 degrease |
|
Seat Angle
(Intake & Exhaust) |
46 degrease |
|
Seat Runout
(Intake & Exhaust) |
0.02 |
|
Seat
Width |
Intake |
1.55-1.85 |
|
Exhaust |
1.70-2.01 |
|
Stem Clearance |
0.025-0.069 |
|
Valve
Spring |
Free Length |
48.51 |
|
Pressure
Kg @ mm |
Closed |
40.8 @ 43.2 |
|
Open |
97 @ 32.79 |
|
Installed Height |
40.01 |
|
Valve
Spring
Damper |
Free Length |
48.51 |
|
Approx # of Coils |
4 |
Fastener Tightening Specifications
|
Item |
Nm |
Ft Lbs |
|
Camshaft Sprocket Bolts |
24 |
18 |
|
Connecting Rod Bolt Nuts |
51 |
37 |
|
Crankshaft Damper Bolt |
77 |
104 |
|
Cylinder Head Bolt (apply thread sealant
to bolts) |
|
|
|
First Pass |
45 |
33 |
|
Final Pass |
Add 90 Degrees |
|
*Manifold Side*
6 2 3 7
5 1 4 8
* Outer Side *
|
|
|
|
|
Exhaust Manifold Bolt |
24 |
18 |
|
Flywheel Bolt |
71 |
52 |
|
Front Timing Cover Case Bolt |
|
|
|
8mm |
18-35 |
13-25 |
|
10mm |
27-47 |
20-35 |
|
Lower Intake Manifold Bolt |
|
|
|
First Pass |
22 |
16 |
|
Final Pass |
31 |
23 |
|
Upper Intake Manifold Bolt |
22 |
16 |
| Main Bearing Cap |
99 |
73 |
|
Oil Pan Bolt |
|
|
|
6mm |
8-12 |
6-9 |
|
8mm |
19-30 |
14-22 |
|
Oil Pump Bolt |
41 |
30 |
|
Rocker Arm Nut |
24 |
18 |
|
Timing Chain Damper Bolt |
20 |
15 |
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