GM Service Manual Online
For 1990-2009 cars only

Shift Speed (1998 C/K Truck 4L60-E)

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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

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Trans Cal

Axle

--

--

--

4.3L (L35)

A

3.08

469

619

1106

862

1125

1875

1219

1537

2437

N/A

712

1387

5000

1575

B

3.42/3.73

486

613

1121

867

1142

1882

1227

1544

2453

N/A

719

1396

5000

1586

C

3.73

469

603

1095

849

1117

1855

1207

1520

2414

N/A

760

1363

5500

1564

5.0L (L30)

A

3.42

445

600

1084

871

1064

1741

1180

1509

2438

N/A

735

1355

5000

1548

B

3.42/3.73

445

594

1081

869

1060

1738

1187

1505

2438

N/A

784

1336

5000

1590

C

3.73

443

606

1072

932

1072

1747

1188

1514

2446

N/A

862

1305

5000

1584

5.7L (L31)

A

3.08/3.42

445

600

1084

871

1064

1741

1180

1509

2438

N/A

735

1355

5000

1548

B

3.42/3.73

445

594

1081

869

1060

1738

1187

1505

2438

N/A

784

1336

5000

1590

Lux

B

3.73

442

589

1073

926

1137

1895

1431

1810

2652

N/A

842

1326

5000

1937

C

3.73

443

606

1072

932

1072

1747

1188

1514

2446

N/A

862

1305

5000

1584

C

Police

4.10

538

666

1178

1024

1178

1920

1306

1664

2688

N/A

947

1434

5000

1741

5.7L (L05) CPD

A

3.42

488

692

895

855

1302

1791

1241

1669

2483

N/A

732

1058

4200

1750