Technical Data
DISTRIBUTOR
Make/type           Lucas DM2 (early 848 cc only), 2SD4 or 45D4
(43D4 on certain export models with air injection emission control equipment)
Contact points gap  0.014 - 0.016 in (0.35 - 0.40mm)
Dwell angle:
DM2 & 25D4          60'                 3'
43D4 & 45D4         51'                 5'
Condenser capacity  0. 18 - 0.24       mfd
Rotor rotation      Anti-clockwise
Ignition timing     See 'Tune-Up' data

IGNITION COIL

Make/type           Lucas LA12
Certain export models
(Canada & Sweden)   A.C. Delco, Lucas 11 C 12, Lucas 16 C 6 or Lucas Al2
(Low voltage type with 1.4 ohm ballast resistor)

DYNAMO

Make/type                    Lucas C40
Maximum output               22 amps
Cut-in speed                 1450 rpm at 13.5 volts
Control box                  Lucas RB 106/2
Regulating voltage           12.7 - 13.3 volts

ALTERNATOR - EARLY TYPE

Make/type                    Lucas 11 AC
Polarity                     Positive earth
Maximum output               43 amps
Brush length
new                          0.63 in (16 mm)
wear limit                   0.31 in (8 mm)
Control unit                 Lucas 4TR
Field isolating relay        Lucas 6RA
Warning light control unit   Lucas 3RA

ALTERNATOR - LATER TYPE

Make/type              Lucas 16 ACR
Polarity               Negative earth
Nominal output         34 amps at 6,000 rpm (2,800 rpm - engine)
Nominal system voltage: 14.2 volts at 20% nominal output
Brush length (above holder)
New                0.5 in (13 mm)
Wear limit         0.25 in (6 mm)
Voltage regulator: Lucas 8 TR, 11 TR or 14 TR Integral

STARTER MOTOR

Make/type                        Lucas M35G or M35J, inertia type
Commutator min. diam. (M35G)     1.34 in (34 mm)
Commutator min. thickness (M35J) 0.08 in (2.03 mm)
Armature end-float
M35G                     0.004 - 0.012 in (0.1 - 0.3 mm)
M35J                     0.010 in (0.25 mm)
Min. brush length (M35J) 0.31 in (8 mm)

SYSTEM POLARITY

Early models              Positive earth
Later models (Oct '69 on) Negative earth