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                             Base Air / Fuel Ratio Table (A9L)

The following air fuel table is based on a stock '87-'93 5-speed A9L computer air fuel ratio table,
(Engine Load vs Engine Coolant Temperature).  If you have a wideband, this will let you compare or
model the fuel table to your new set-up.  Just remember that all engines are different.  What may
work on the stock 5.0L may not necessary work with your heads, cam, and intake.  You may find that
adjusting the fuel table is needed to work with your combination.  The Ford fuel tables have a
tendency to run a touch lean for emission purposes.
Base Air / Fuel  Ratio Table (A9L 89-93 5-Speed)
Engine Coolant Temperature
Load
 
-30
0
30
60
90
120
150
180
210
.900
10.50
10.50
12.50
12.50
12.75
13.125
13.50
13.50
13.50
.800
11.25
11.25
12.75
12.75
13.125
13.50
13.75
13.75
13.625
.700
12.125
12.125
13.50
13.50
13.875
14.375
14.125
14.25
13.625
.550
12.75
13.875
14.250
14.375
14.875
14.875
15.25
16.00
16.00
.400
13.625
14.375
14.375
14.375
14.875
15.25
15.25
16.00
16.00
.300
14.125
14.25
14.25
14.375
14.50
14.75
14.75
15.25
15.25
.150
17.625
17.625
17.00
16.625
16.50
16.375
16.00
15.25
15.25
.050
17.875
17.875
17.625
17.25
16.625
16.375
16.00
15.25
15.25