Range Rover P38
GENERAL SPECIFICATION DATA
3
INFORMATION
Valves
Length
Inlet
116.59 - 117.35 mm
.........................................................................
4.590 - 4.620 in
Exhaust
116.59 - 117.35 mm
...................................................................
4.590 - 4.620 in
Seat angle
Up to 99MY
From 99MY
Inlet
46
°
- 46
°
25’
.........................................................................
45
°
- 45
°
30’
Exhaust
46
°
- 46
°
25’
...................................................................
45
°
- 45
°
30’
Head diameter
Inlet
39.75 - 40.00 mm
.........................................................................
1.565 - 1.575 in
Exhaust
34.227 - 34.48 mm
...................................................................
1.3475 - 1.3575 in
Stem diameter
Inlet
8.664 - 8.679 mm
.........................................................................
0.3411 - 0.3417 in
Exhaust
8.651 - 8.666 mm
...................................................................
0.3406 - 0.3412 in
Stem to guide clearance
Inlet
0.025 - 0.066 mm
.........................................................................
0.0010 - 0.0026 in
Exhaust
0.038 - 0.078 mm
...................................................................
0.0015 - 0.0031 in
Valve lift (inlet and exhaust)
9.94 mm
.............................................
0.3913 in
Valve spring length fitted
Up to 99MY
40.40 mm (1.59 in) at pressure of 29.5 kg (65 lb)
.............................................................
From 99MY
40.93 mm (1.61 in) at pressure of 29.5 kg (65 lb)
.............................................................
Lubrication
System type
Wet sump, pressure fed
.....................................................................
Oil pump type
Crank driven rotor
...................................................................
Oil pressure
Up to 99MY
2.06 to 2.7 bar (30 to 40 lbf/in
2
) at 2400 rev/min with
.............................................................
engine warm
From 99MY
3.45 bar (50 lbf/in
2
) at 2000 rev/min with engine warm
.............................................................
Oil filter-internal
Wire screen, pump intake filter in sump
................................................................
Oil filter-external
Full flow, self-contained cartridge
...............................................................