| 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)  | |||||||||||||||
B  | G  | 3.42  | 486  | 613  | 1120  | 866  | 1141  | 1880  | 1292  | 1626  | 2584  | 1521  | 2915  | 1331  | 1585  | 
C  | GMT600  | 3.73  | 492  | 604  | 1118  | 850  | 1140  | 1855  | 1207  | 1520  | 2414  | 1520  | 2682  | 1341  | 1565  | 
4.8L (LR4)  | |||||||||||||||
A  | G  | 3.42  | 431  | 607  | 1038  | 764  | 999  | 1666  | 1078  | 1509  | 2547  | 1815  | 3166  | 1333  | 1568  | 
B  | G  | 3.73  | 419  | 608  | 1027  | 755  | 1006  | 1677  | 1070  | 1488  | 2537  | 1816  | 3162  | 1300  | 1572  | 
5.3L (LM7)  | |||||||||||||||
A  | G  | 3.42  | 431  | 607  | 1038  | 764  | 1000  | 1666  | 1077  | 1509  | 2547  | 1815  | 3166  | 1332  | 1568  | 
B  | G  | 3.73  | 391  | 568  | 960  | 705  | 940  | 1568  | 1000  | 1391  | 2370  | 1697  | 2955  | 1215  | 1470  |