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