GM Service Manual Online
For 1990-2009 cars only

Shift Speed (1999 F-Car 4L60-E)

 

1-2 Shift @ +/- 250 RPM Output Shaft Speed

2-3 Shift @ +/- 200 RPM Output Shaft Speed

3-4 Shift @ +/- 150 RPM Output Shaft Speed

3-1 @ +/- 100 RPM Output Shaft Speed

3-2 @ +/- 100 RPM Output Shaft Speed

3-1 Wide Open Throttle Shift

2-3 Wide Open Throttle Shift

Min TCC Apply @ 12% Throttle (RPM)

% of TPS

12

25

50

12

25

50

12

25

50

 

 

 

 

 

Trans Cal

Axle

 

 

 

3.8L (L36)

A

3.08

620

950

1239

1115

1735

2354

1982

2478

4584

N/A

785

1446

5500

1239*

B

3.42

590

953

1226

1090

1725

2315

1998

2633

5039

N/A

772

1453

5700

1226*

5.7L (LS1)

A

2.73

475

657

1168

840

1205

2154

1205

1825

5475

N/A

657

1460

5900

1570

B

3.23

479

696

1218

870

1262

2219

1262

1871

5829

N/A

696

1523

5900

1566

* 3rd Gear Apply