Contactless Ignition System — Specifications (Escort 4)

Spark advance characteristics of the Lucas ignition distributor for the 1.3 dm³ engine

Characteristics of ignition timing of the Bosch ignition distributor of the 1.3 dm³ engine

Spark advance characteristics of the Lucas ignition distributor for the 1.6 dm³ engine

Characteristics of ignition timing of the Bosch ignition distributor of the 1.6 dm³ engine

XR3 Lucas Distributor Spark Advance Specifications

Bosch Distributor Spark Advance Specifications for XR3 Engine

The Bosch or Lucas contactless ignition system consists of a battery, ignition coil, ignition distributor with electronic module and spark plugs. Firing order: 1–3–4–2.

Distributor

Brand	Bosch or Lucas
Drive	from the camshaft
Initial setting of ignition timing	12° before TDC
Color code:
Engines with a working volume of 1.3 dm³	red/ black
Engines with a working volume of 1.6 dm³ (LUA)	blue
Engines with a working volume of 1.6 dm³	orange/ blue

Attention! When checking on a stand (ignition distributor removed), the engine speed values must be reduced by half. When checking the distributor installed in the car, the value of the initial ignition advance angle must be added to the ignition advance value.

Ignition coil

Brand	Bosch, Femsa, Polmot or Lucas
Primary winding resistance	0.72 – 0.88 Ohm
Secondary winding resistance	4.5 – 7 kOhm
Voltage on secondary winding, min	30000 V

Spark plugs

Engine code	Motorcraft spark plugs	Gap	Bosch spark plugs	Gap
JBA/ JBB	AGRF 22C1	1,0	FR6DCX	1,1
GMA/ JPA/ LPA/ LUC/ LUA/ L4B	AGRP 22C	0,75
GPA	AGP 12	0,75	F6DC	0,6
F6D	CAGRP 32CD1	1,0	F5DC	0,6
FUA	AGRP 22C	1,0	FR6DCX	1,1
LRA	AGRP 12CD	1,0	F6DC	0,6
LUAE	–	–	F5DC	0,6
LNA	AGRP 901C1	1,0	F5DC	0,7