GM Service Manual Online
For 1990-2009 cars only

Hydra-Matic 4T60-E Shift Speed Chart

Transaxle Model

6AFW

6HBW

6PBW

Vehicle Series

W

W

W

Engine Displacement

3.1L

3.8L

3.4L

Engine RPO Code

L82

L36

LQ1

Engine VIN Code

M

K

X

Overall Axle Ratio

3.33

3.06

3.43

Final Drive Ratio

3.33

3.06

3.06

Drive/Driven Sprocket Teeth

35/35

35/35

33/37

Minimum Throttle 1-2 Upshift

9

11

11

Wide Open Throttle 1-2 Upshift

41

40

46

Minimum Throttle 2-3 Upshift

21

20

21

Wide Open Throttle 2-3 Upshift

77

75

86

Minimum Throttle 3-4 Upshift

32

45

42

Wide Open Throttle 3-4 Upshift

101

N/A

106

Minimum TCC Apply - Third Gear

N/A

38

25

Minimum TCC Apply - Fourth Gear

45

44

42

N/V Ratio - Third Gear/TCC On

44

40

46

N/V Ratio - Fourth Gear/TCC On

31

28

32

    • N/V Ratio = Engine RPM to Vehicle Speed Ratio
    • N/A = Not Available
    • Speeds are indicated in Miles Per Hour (MPH). MPH = Km/h x 1.609