
Chevrolet Suburban Stage 1
8 engines – 295–426 hp
8
engines
+33 hp
Max gain
+7%
Avg. gain

2000 - 2006
3 engines
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| 8.1 V8 325hp | Petrol | 325 | 348 | +23 (7%) |
| 5.3 V8 295hp | Petrol | 295 | 317 | +22 (7%) |
| 6.0 V8 335hp | Petrol | 335 | 357 | +22 (7%) |

2007 - 2014
3 engines
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| 5.3 V8 320hp | Petrol | 320 | 353 | +33 (10%) |
| 6.2 V8 426hp | Petrol | 426 | 458 | +32 (8%) |
| 6.0 V8 352hp | Petrol | 352 | 378 | +26 (7%) |

2015 ->
2 engines
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| 6.2 V8 420hp | Petrol | 420 | 444 | +24 (6%) |
| 5.3 V8 355hp | Petrol | 355 | 378 | +23 (6%) |
FAQ
Is Stage 1 safe for the engine?+
Yes, Stage 1 is a mild optimization within factory safety margins. We use dealer-level equipment and verify results on a dyno.
How long does it take?+
Usually 2–4 hours, including diagnostics, remapping, and a control measurement on our dynamometer.
Does it affect fuel consumption?+
Stage 1 can reduce consumption (better torque curve) or slightly increase it under aggressive driving. On average, consumption stays the same.