Chevrolet Uplander Stage 1
2 engines – 203–243 hp
2
engines
+30 hp
Max gain
+13%
Avg. gain
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| 3.5 V6 203hp | Petrol | 203 | 233 | +30 (15%) |
| 3.9 V6 243hp | Petrol | 243 | 267 | +24 (10%) |
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.