| 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  | --  | --  | --  | --  | ||
Trans Cal  | Body  | Axle  | --  | --  | --  | ||||||||||
4.3L (L35)  | |||||||||||||||
A  | C10  | 3.08  | 488  | 620  | 1127  | 864  | 1145  | 1878  | 1220  | 1540  | 2441  | 1615  | 3080  | 1465  | 1577  | 
B  | C10  | 3.42  | 486  | 613  | 1120  | 866  | 1141  | 1880  | 1292  | 1626  | 2584  | 1521  | 2915  | 1331  | 1585  | 
B  | K10/20  | 3.73  | 486  | 613  | 1120  | 866  | 1141  | 1880  | 1292  | 1626  | 2584  | 1521  | 2915  | 1331  | 1585  | 
C  | C10  | 3.73  | 492  | 604  | 1118  | 850  | 1140  | 1855  | 1207  | 1520  | 2414  | 1520  | 2682  | 1341  | 1565  | 
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  | 
B  | Centennial  | 3.73  | 472  | 615  | 1313  | 739  | 944  | 2011  | 1026  | 1436  | 2790  | 1785  | 3160  | 1477  | 1621  | 
  | 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  | --  | --  | --  | --  | ||
Trans Cal  | Body  | Axle  | --  | --  | --  | ||||||||||
5.3L (LM7)  | |||||||||||||||
Normal Shift Pattern  | C10/20 K10  | 3.73  | 553  | 711  | 1225  | 904  | 1189  | 2046  | 1248  | 1639  | 3279  | 1461  | 2844  | --  | 1146  | 
5.3L (LM7)  | |||||||||||||||
Tow/Haul Shift Pattern  | C10/20 K10  | 3.73  | 750  | 810  | 1264  | 1620  | 1868  | 2674  | 2346  | 2820  | 4740  | 1738  | 2765  | --  | 4740  |