Defender 90 / 110 / 130. Instruction - page 8

ENGINE

TUNING

DATA

CARBURETTERS

Type

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

Solex specification number..

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

Needle

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

Idle speed (engine hot)..

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

Fast idle speed (engine hot)

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

Mixture setting - CO at idle

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

IGNITION
Distributor

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

Direction

of rotation..

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

Centrifugal advance
Decelerating check with vacuum retard pipe

disconnected

Engine

4600.

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

3600.

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

3000..

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

1600..

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

No

advance below 900

Ignition timing, dynamic;

models with emission control

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

2

x

Solex 175 CDSE

3999
BIFC

700 to 750

(run-in engine)

to 650

(new engine)

1050 to 1150
1.5% to 3% Pulsair connected

Lucas 35

Electronic (Early Models)

Lucas 35

Electronic (Later Models)

Clockwise

Crankshaft angle

21"

to 25"

16" to
12" to

16"

7" to 11"

1"

to

3"

6" B.T.D.C. with vacuum pipes disconnected using 90-93
octane fuel

ENGINE TUNING DATA

(Ninety and One Ten

with 5-speed gearbox and electronic ignition)

ALL COUNTRIES EXCEPT EUROPE, SAUDI ARABIA AND AUSTRALIA

ENGINE

cylinder

Valve timing

(low lift camshaft)

Compression ratio,.

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

8.13: 1
Inlet

Opens

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

36" B.T.D. C.

Valve peak

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

99" A.T.D.C.

Closes

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

64" A.B.D.C.

Duration

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

280"

Exhaust
74" B.B.D.C.
26" A.T.D.C.
280"

119"

B.T.D.C.

CARBURETTERS

Solex specification number..

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

4000

Needle

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

BIFQ

Type

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

Idle speed (engine hot)..

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

700 to

750

(run-in engine)

Fast idle speed (engine hot)

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

2

x

Solex 175 CDSE

550 to

650

(new engine)

to

1150

4

ENGINE TUNING DATA

SPARKING PLUGS

compression ratio

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

Gap

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

Champion

or Unipart

GSP

131

IGNITION COIL
Makehype..

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

AC Delco 7992188

Primary resistance at 20°C (68°F)

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

Consumption

-

ignition on at engine idle speed

.........

3.0

-

3.5 ohms

2.0 amps approx.

CARBURETTER

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

Weber 32/34 DMTL

Venturi

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

Auxiliary Venturi

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

Main jet

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

Air correction jet

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

Emulsion tube..

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

Idle jet

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

Idle

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

Idle speed

-

hot..

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

Primary

24

4

110
160

55

-

2.5%

600

-

2.5 LITRE PETROL ENGINE TUNING DATA

ENGINE
Firing order

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

Compression pressure (approximately):

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

Ignition timing dynamic

2000

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

Static, if no dynamic equipment available

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

Timing marks.

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

Valve clearance, inlet and exhaust

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

Valve timing:

Inlet opens

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

Inlet closes

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

Inlet peak

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

Exhaust opens..

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

Exhaust closes..

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

Exhaust peak

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

DISTRIBUTOR

-

LUCAS

Type

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

Rotation of rotor

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

Contact breaker gap

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

Dwell angle

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

Centrifugal advance range

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

vacuum advance capsuie range

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

Secondary

25

4

115
160

F30

60

kgf

(160

300

cranking speed

T.D.C.

disconnected

On crankshaft pulley

(0.010 in) Engine hot

16" B.T.D.C. using

90

octane fuel

with

vacuum pipe

B.T.D.C.

108" A.T.D.C.

46" B.B.D.C.

18" A.T.D.C.
104" B.T.D.C.

With

a

in)

valve clearance.
Nominal setting for
checking only.

Lucas
Anti-clockwise

-

(0.014

-

0.016 in)

49"

-

59"

-

1" at

500 Distributor

18"

-

20" at 2250 Distributor

-

at 3.5 Hg

11"

-

13" at 25

Hg

,

6

ENGINE

TUNING

DATA

SPARKING PLUGS

Gap

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

.

.

.

..

8.0:

1 compression ratio

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

Champion

-

(0.028

-

0.035 in)

IGNITION COIL

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

Primary resistance at 20°C (68°F)

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

Consumption

-

ignition on at engine idle speed

.........

2.0 amps approx.

Bosch 0221

119

368

2.9 ohms

CARBURETTER
Makehype.

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

Weber 32/34 DMTL

Needle valve..

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

175

Venturi

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

Auxiliary Venturi

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

Main jet

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

Air correction jet

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

Emulsion tube..

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

Idle jet

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

Idle

CO%

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

Idle speed

-

hot

-

Non Air Conditioning..

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

Idle speed

-

hot

-

Air Conditioning..

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

Float level

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

.....

Primary

24

4

112

160

F30

52

1.5%

1%

700
800

50

7

0,5

(0.275 0.019 in)

Secondary

25

4

112
190

F39

60

2.25

and 2.5 LITRE DIESEL ENGINE TUNING DATA

ENGINE
Firing order

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

Injection timing..

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

Injection timing.

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

Inlet opens

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

. .

Timing marks:

Valve timing

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

Valve clearance inlet and exhaust

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

Valve timing:

Inlet closes

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

Inlet peak

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

Exhaust opens..

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

Exhaust closes..

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

Exhaust peak

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

Low

idle speed

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

High idle speed

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

13" B.T.D.C. (2.25 litre Diesel)

On engine flywheel and damper on 2.5 Diesel
On engine flywheel and pump flange

in)

16" B.T.D.C.

42" A.B.D.C.

A.T.D.C.

13" A.T.D.C.

B.T.D.C.

650

20

4200

20

INJECTORS

Nozzle size

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

Makehype..

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

CAV Pintaux

Opening pressure..

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

135 Atm

6209

or

. . .

.

:

. . . .

7

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