Ford F-150 2000 Introduction Manual page 149

Recommended shift speeds
Upshift and downshift according to the following charts for your specific
engine/drivetrain combination:
4.2L V6 engine (4x2 and 4x4)
Upshifts when accelerating (recommended for best fuel economy)
Shift from:
1 - 2
2 - 3
3 - 4
4 - (Overdrive)
D
Upshifts when cruising (recommended for best fuel economy)
Shift from:
1 - 2
2 - 3
3 - 4
4 - (Overdrive)
D
4.6L V8 engine (4x2 and 4x4 with 3.08:1 rear axle ratio)
Upshifts when accelerating (recommended for best fuel economy)
Shift from:
1 - 2
2 - 3
3 - 4
4 - (Overdrive)
D
Transfer case position (if equipped)
2H or 4H
24 km/h (15 mph)
40 km/h (25 mph)
60 km/h (37 mph)
72 km/h (45 mph)
Transfer case position (if equipped)
2H or 4H
18 km/h (11 mph)
34 km/h (21 mph)
50 km/h (31 mph)
69 km/h (43 mph)
Transfer case position (if equipped)
2H or 4H
24 km/h (15 mph)
40 km/h (25 mph)
58 km/h (36 mph)
72 km/h (45 mph)
Driving
4L
14 km/h (9 mph)
19 km/h (12 mph)
24 km/h (15 mph)
29 km/h (18 mph)
4L
8 km/h (5 mph)
18 km/h (11 mph)
23 km/h (14 mph)
27 km/h (17 mph)
4L
14 km/h (9 mph)
19 km/h (12 mph)
23 km/h (14 mph)
27 km/h (17 mph)
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