GM Service Manual Online
For 1990-2009 cars only

Shift Speed

 

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

2-3 Upshift @ +/- 250 RPM Output Shaft Speed

3-4 Upshift @ +/- 250 RPM Output Shaft Speed

1-2 Upshift @ Wide Open Throttle +/- 250 RPM, Output Shaft Speed

2-3 Upshift @ Wide Open Throttle +/- 250 RPM, Output Shaft Speed

3-1 Wide Open Throttle Downshift +/- 100 RPM, Output Shaft Speed

MIN TCC Apply @ 12% (RPM)

% of TPS

12

25

50

12

25

50

12

25

50

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Trans Cal

Body

Axle

--

--

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4.8L (LR4)

A

C10

3.42

431

607

1038

764

999

1666

1078

1509

2547

1815

3166

1333

1568

B

C10 K10/20

3.73

419

608

1027

755

1006

1677

1070

1488

2537

1816

3162

1300

1572

C

K10/20

4.10

410

615

1048

775

1025

1686

1071

1504

2552

1827

3190

1276

1709

5.3L (LM7)

A

C10/20

3.42

431

607

1038

764

1000

1666

1077

1509

2547

1815

3166

1332

1568

B

C10/20

K10

3.73

391

568

960

705

940

1568

1000

1391

2370

1697

2955

1215

1470

C

C20

K10

4.10

410

615

1048

775

1025

1686

1071

1503

2552

1827

3190

1276

1709

6.0L (LQ4)

A

820D

830D

3.73

472

615

1313

739

944

2011

1026

1436

2790

1785

3160

1477

1621

6.0L (LQ9)

A

820C

3.73

472

615

1313

739

944

2011

1026

1436

2872

1785

3160

1477

1621