PCM EX343 MPI User Manual

58
L510010-11
Figure 12-1 V-8 Firing Orders
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
5.0 / 5.7 Liter
LH ROTATION
FRONT
6.0 Liter
LH ROTATION
FRONT
NO
DISTRIBUTOR
FIRING ORDER:
1-8-4-3-6-5-7-2
FIRING ORDER:
1-8-7-2-6-5-4-3
FLYWHEEL END OF ENGINE
ALL V-8 MODELS
1
7
c
6
4
2
8
3
5
Rotation
TUNE-UP SPECIFICATIONS
Model
ALL HO303 ALL ZR409
ALL EX343 ALL ZR450
Spark Plug Type R030010 R030011
Spark Plug Gap
0.060 in. 0.040 in.
(1.52 mm) (1.02 mm)
Ignition Timing
Fixed, Fixed,
Not Adjustable Not Adjustable
Firing Order
1-8-4-3-6-5-7-2 1-8-7-2-6-5-4-3
(LH Rotation) (LH Rotation)
CAM Retard 15 + 2 degrees Not Adjustable
ENGINE SPECIFICATIONS - 12

PCM EX343 MPI Specifications

General

Brand	PCM
Model	EX343 MPI
Category	Engine
Language	English