GM Service Manual Online
For 1990-2009 cars only

Shift Speed (1999 S/T Truck/Isuzu/RHD 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

--

--

--

2.2L (LN2)

A

4.10

683

840

1208

998

1522

2257

1575

2100

3465

N/A

893

1575

5500

1995

4.3L (LF6/L35)

A

3.08/3.43

566

817

1131

985

1299

2011

1383

1697

2577

N/A

796

1383

5000

1802

B

3.08/3.42/3.73

529

761

1058

909

1206

1882

1290

1586

2390

N/A

740

1290

5000

1671

C

3.42/3.73

521

747

1042

906

1200

1857

1268

1563

2378

N/A

725

1268

5000

1676