For 1990-2009 cars

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

Transmission Model | 7ACW | 7ASW | 7BXW | 7YLW | 7YRW
--- | --- | --- | --- | --- | ---
Vehicle Series | C,H | C,H | H | C,H | H
Engine Displacement | 3.8L | 3.8L | 3.8L | 3.8L | 3.8L
Engine RPO Code | L36 | L36 | L36 | L67 | L67
Engine VIN Code | K | K | K | 1 | 1
Overall Axle Ratio | 3.06 | 2.84 | 3.06 | 2.93 | 2.93
Final Drive Ratio | 3.06 | 2.84 | 3.06 | 3.29 | 3.29
Drive/Driven Sprocket Teeth | 35/35 | 35/35 | 35/35 | 37/33 | 37/33
Minimum Throttle 1-2 Upshift | 11 | 11 | 11 | 11 | 11
Wide Open Throttle 1-2 Upshift | 46 | 52 | 46 | 45 | 45
Minimum Throttle 2-3 Upshift | 20 | 20 | 20 | 21 | 21
Wide Open Throttle 2-3 Upshift | 89 | 96 | 89 | 85 | 85
Minimum Throttle 3-4 Upshift | 45 | 45 | 45 | 47 | 47
Wide Open Throttle 3-4 Upshift | N/A | N/A | N/A | N/A | N/A
Minimum TCC Apply - Third Gear | 36 | 36 | 36 | 40 | 40
Minimum TCC Apply - Fourth Gear | 45 | 45 | 45 | 47 | 47
N/V Ratio - Third Gear/TCC On | 41 | 38 | 40 | 39 | 39
N/V Ratio - Fourth Gear/TCC On | 29 | 27 | 28 | 27 | 27