For 1990-2009 cars

#### Hydra-Matic 4T60-E Shift Speed Chart

Transmission Model | 7YAW
--- | ---
Vehicle Series | U
Engine Displacement | 3.4L
Engine RPO Code | LA1
Engine VIN Code | E
Overall Axle Ratio | 3.29
Final Drive Ratio | 3.29
Drive/Driven Sprocket Teeth | 35/35
Minimum Throttle 1-2 Upshift | 11
Wide Open Throttle 1-2 Upshift | 40
Minimum Throttle 2-3 Upshift | 18
Wide Open Throttle 2-3 Upshift | 75
Minimum Throttle 3-4 Upshift | 30
Wide Open Throttle 3-4 Upshift | N/A
Minimum TCC Apply - Third Gear | N/A
Minimum TCC Apply - Fourth Gear | 42
N/V Ratio - Third Gear/TCC On | 43.4
N/V Ratio - Fourth Gear/TCC On | 42.4

- 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