ENGINE
TUNING DATA
ENGINE
}
See
86.35.00
Firing
orJci"
No. I cylinder
Idle speed Petrol Injection
Carb/U.S.A. market
Fast idle speed Petrol Injection
Carb/U.S.A. market
Valve clearance (cold)
Valve clearance adjustment
Location
of
timing marks
Valve timing
Inlet opens
closes
Exhaust opens
closes
Ignition timing:
static
dynamic
FUEL INJECTION
** 1973
** 18° B.T.D.C.
58° A.B.D.C.
58° B.B.D.C.
18° A.T.D.C.
I 5 3
624
at front
750 to 800/850 rev/min
800 to 850 rev/min
1100
to
1300/1500 rev/min
1100
to
1300 rev/min
0-010
in
(0·25 mm)
Screw and locking nut on rocker
Scale on pulley, pointer on timing cover
Petrol Injection Carburetter/U.S.A. Market
Pre
1973 ** 1973/1972 Model Pre 1972 Model
35° B.T.D.C. 18° B.T.D.C. 10° B.T.D.C.
65° A.B.D.C. 58° A.T.D.C. 50° A.T.D.C.
65° B.B.D.C. 58° B.B.D.C. 50° B.B.D.C.
35° A.T.D.C. 18° A.T.D.C.
**
10° A.T.D.C.
Pressure from pump
Pressure at injector
Manifold depression
at
idling speed
CARBURETTER
104 to 110 Ibf/in
2
(7·31 to 7'73 kgf/cm
2
)
SOlbf/in
2
(3·52 kgf/cm
2
)
12~
in
(3·81 cm)
of
mercury
Make/type
Main jet
Needle
Float height
IGNITION COIL
Make/type
Primary winding resistance
BALLAST RESISTOR
Make/type
Resistance
**Stromberg 175 C.D.S.E. (V)
0·100
in
(0·254 em)
**
B.I.A.F.
0'629 to 0·669
in
(I6tol7mm)
**
1973 Model
Lucas
15
C6
I·30 to I
"45
ohms
**
**
Fitted into harness - 1973 Models
1.30
to
I
"45
ohms **
Carburetters
are matched
to camshaft
and distributor
See
86.35.00
**
Pre
1973 Model **
Lucas H.A.I 2
3·0 to 3·5 ohms
**
Not fitted
to
pre 1973 Models
**
IGNITION DISTRIBUTOR
Make/type
Rotation viewed on rotor
Dwell angle
Capacitor capacitance
Contact breaker
gap
Centrifugal advance
Vacuum advance
SPARKING PLUGS
Make/type Petrol injection
Carb/U.S.A. Market
Gap
~rriul1lph
JR6
Manual.
Part
Nll. 545177 (ssue
.2
Lucas
2206
-
see
86.35.00
Anticlockwise
See 86.35.00
0·20 Microfarads
0'014 to
0'016
in
(0'35 to
0'40
mm)
}
See
86.35.00
ChampionN9Y
** 1973
Model-
Champion N9Y Pre 1973
Model-
**
Champion
UN
12Y
0·025
in
(0'63 mm)
05.1