ENGINE - V8 (page 2 of 2)

04

GENERAL SPECIFICATION DATA

2

INFORMATION

Pistons
Clearance in bore, measured at bottom
of skirt at right angles to piston pin

0.018-0.041 mm

...................................

Piston rings
Number of compression rings

2

..........................................

Number of control rings

1

....................................................

No 1 compression ring

Molybdenum barrel faced

.....................................................

No 2 compression ring

Tapered and marked ’T’ or ’TOP’

.....................................................

Width of compression rings

1.478-1.49 mm

..............................................

Compression ring gap

0.40-0.65 mm

......................................................

Oil control ring type

Hepworth and Grandage

..........................................................

Oil control ring width

3.0 mm

.........................................................

Oil control ring rail gap

0.38-1.40 mm

.....................................................

Camshaft
Location

Central

...........................................................................

Bearings

Tin-aluminium

...........................................................................

Number of bearings

5

..........................................................

Drive

Chain 9.52 mm pitch x 54 pitches.

.................................................................................

Tappets

Hydraulic self-adjusting

...........................................................................

Valves
Length:

Inlet

116.59-117.35 mm

..................................

Exhaust

116.59-117.35 mm

...........................

Seat angle:

Inlet

45

°

- 45 1/2

°

..................................

Exhaust

45

°

- 45 1/2

°

...........................

Head diameter:

Inlet

39.75-40.00 mm

..................................

Exhaust

34.226-34.480 mm

...........................

Stem diameter:

Inlet

8.664-8.679 mm

..................................

Exhaust

8.651-8.666 mm

...........................

Stem to guide clearance:

Inlet

0.025-0.066 mm

..................................

Exhaust

0.038-0.078 mm

...........................

Valve lift (Inlet and Exhaust)

9.49 mm

............................................

Valve spring length fitted

40.4 mm at pressure of 29.5 kg

..................................................

Lubrication
System type

Wet sump, pressure fed

.....................................................................

Oil pump type

Eccentric rotor

...................................................................

Oil pressure

2.75 bar (40 lbf/in

2

) at 2500 rev/min with engine at

......................................................................

running temperature

Oil filter-internal

Wire screen, pump intake filter in sump

................................................................

Oil filter-external

Full flow, self-contained cartridge

...............................................................