Contact ignition system — specifications (Escort 4)

            0

The Bosch or Lucas contact ignition system consists of a battery, ignition coil, distributor with breaker and spark plugs. The firing order is 1–3–4–2.

Distributor



Brand
Bosch or Lucas
Drive
from the camshaft
Direction of rotation of the rotor
counterclockwise when viewed from above
Gap between breaker contacts:
– Bosch
0.4 – 0.5 mm
– Lucas
0.4 – 0.6 mm
Angle of the closed state of the breaker contacts
48 – 52°
Capacitor capacity:
– Lucas
0.21 – 0.29 μF
– Bosch
0.235 – 0.315 μF

Initial ignition advance



Engine code
Fuel
Ignition timing before TDC (+2°)
Ethylated Super
Unleaded.
GMA
N
12
GPA
S
12
8
JPA
S
12
8
FUA
S
12
8
FUS
S
12
12
F6B/ F6D
S
10
LPA
S
12
8
LUC
S
12
8
LRA/ LRB
S
12
6
L4B
N
12
LUA
S
12
8
LUAE
S
12
LNA
S
12

Ignition coil



Brand
Bosch, Femsa, Polmot or Lucas
Primary winding resistance
1.2 – 1.4 Ohm
Secondary winding resistance
5 – 9 kOhm
Voltage on secondary winding, min
25000 V

Spark plugs



Brand and type:
– engines with a working volume of 1.1 and 1.3 dm³
Motorcraft AGRF 22 or Bosch HR6DC
– engines with a working volume of 1.3 dm³, manufactured from 09.1988
Motorcraft AGRF 22C1 or Bosch FR6DCX
Gap between electrodes:
– Motorcraft AGRF spark plugs
22 – 0.75 mm
– Bosch HR6DC spark plugs
0.7 mm
– Motorcraft AGRF 22C1 spark plugs
1.0 mm
– Bosch FR6DCX spark plugs
1.1 mm






Link to this page in different formats


Visitor comments

No comments yet



Escort 5 
Escort 4 
Escort 3 
We use cookies to ensure the site works smoothly, remembers your settings, and is convenient for you 🍪