Firing Orders
& related ignition Info...

 

 

Motor
5.0
2.3
87-90
2.3
91-92
Spark Plug Gap
.054
.044
.032
Compression
9:1
9:1
9.5:1
Oil Pressure at 2000 RPM
40-60
40-60
40-60

 

1987-1993 5.0 FIRING ORDER
Note: This is the order for 87-93 5.0 HO Mustangs.
Other Years & Models may vary.

 

1987-1993 2.3 FIRING ORDERS
 
Note: This is the order for 87-93 2.3 Mustangs.
Other Years & Models may vary.