Shift Speed
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Shift Speed 4.2L (LL8) M30
| Min. Throttle Upshift | WOT (mph/rpm) | WOT 3-1 | D1 2-1 | MIN TCC ON | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Trans Cal | Trans Model | Axle Ratio | 1-2 | 2-3 | 3-4 | 1-2 | 2-3 | 3-4 | - | - | - |
| A | SDD, TDD | 3.42 | 13.5 | 26.6 | 34.8 | 49.5/6100 | 93.1/6100 | N/A | 39 | 41 | 44.5 |
| B | SDD, TDD | 3.73 | 12.4 | 24.4 | 31.9 | 45.4/6100 | 85.3/6100 | N/A | 36 | 39 | 40.4 |
| C | SDD, TDD | 4.10 | 11.3 | 22.2 | 29 | 41.3/6100 | 77.7/6100 | N/A | 32 | 34.2 | 36.8 |
| Shift Speeds are Given in MPH, except where noted. | |||||||||||
Shift Speed 5.3L (LH6) M30 3.42:1 Final Drive
| Percent Throttle | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Trans Cal. Normal (Default) |
12.5 | 25 | 50 | 75 | 100 | |||||
| Km/h | mph | Km/h | mph | Km/h | mph | Km/h | mph | Km/h | mph | |
| 1-2 Upshift | 17.7 | 11.0 | 24.1 | 15.0 | 44.0 | 27.3 | 60.8 | 37.8 | 64.7 | 40.2 |
| 2-3 Upshift | 30.6 | 19.0 | 37.8 | 23.5 | 70.8 | 44.0 | 103.2 | 64.1 | 121.5 | 75.5 |
| 3-4 Upshift | 40.2 | 25.0 | 48.3 | 30.0 | 103.0 | 64.0 | - | - | - | - |
| 2-1 Down Shift | 12.9 | 8.0 | 12.9 | 8.0 | 12.9 | 8.0 | 18.0 | 11.2 | 53.1 | 33.0 |
| 3-2 Down Shift | 24.9 | 15.5 | 26.6 | 16.5 | 41.8 | 26.0 | 77.3 | 48.0 | 109.9 | 68.3 |
| 4-3 Down Shift | 35.4 | 22.0 | 37.8 | 23.5 | 74.0 | 46.0 | 117.6 | 73.1 | - | - |
| TCC Apply 4th Gear | 60.0 | 37.3 | 71.6 | 44.5 | 125.4 | 77.9 | - | - | - | - |
| LH6/M30 GMT360/370 Normal |
||||||||||
Shift Speed 5.3L (LH6) M30 3.73:1 Final Drive
| Percent Throttle | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Trans Cal. Normal (Default) |
12.5 | 25 | 50 | 75 | 100 | |||||
| Km/h | mph | Km/h | mph | Km/h | mph | Km/h | mph | Km/h | mph | |
| 1-2 Upshift | 16.2 | 10.0 | 22.0 | 14.0 | 40.0 | 25.0 | 55.8 | 34.7 | 59.3 | 37.0 |
| 2-3 Upshift | 28.0 | 17.4 | 33.0 | 21.0 | 64.8 | 40.3 | 94.6 | 58.8 | 111.3 | 69.2 |
| 3-4 Upshift | 36.8 | 23.0 | 44.2 | 27.5 | 94.4 | 58.7 | - | - | - | - |
| 2-1 Down Shift | 11.7 | 7.3 | 11.7 | 7.3 | 11.7 | 7.3 | 16.5 | 10.3 | 48.7 | 30.3 |
| 3-2 Down Shift | 22.8 | 14.2 | 24.3 | 15.1 | 38.3 | 23.8 | 70.8 | 44.0 | 100.7 | 62.6 |
| 4-3 Down Shift | 32.5 | 20.2 | 34.5 | 21.0 | 67.9 | 42.2 | 107.8 | 67.0 | - | - |
| TCC Apply 4th Gear | 65.0 | 34.2 | 65.6 | 40.8 | 114.9 | 71.4 | - | - | - | - |
| LH6/M30 GMT360/370 Normal |
||||||||||
Shift Speed 6.0L (LS2) M70 - Trailblazer SS
| Min. Throttle Upshift Km/h (mph) | WOT Upshift Km/h (mph) | WOT 3-1 Downshift Km/h (mph) | Manual D1 (2-1) Downshift Km/h (mph) | MIN TCC ON 4th Gear Km/h (mph) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Calibration Normal |
Body | Axle | 1-2 | 2-3 | 3-4 | 1-2 | 2-3 | 3-4 | - | - | - |
| - | S/T | 4.10 | 12.0 (7.5) |
29 (18) |
40.2 (25) |
70.81 (44) |
130.3 (81) |
N/A | 54.7 (34) |
62.0 (38.5) |
57.1 (35.5) |